๐ Tags
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animation
11 Posts, last update 2026-01-04
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New in High Baseline Support: animation-composition
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New in High Baseline Support: Web animations
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New in High Baseline Support: steps() easing
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New in High Baseline Support: SMIL SVG animations
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New in Low Baseline Support: Web animations
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New in Low Baseline Support: steps() easing
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New in Low Baseline Support: SMIL SVG animations
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New in High Baseline Support: Animations (CSS)
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New in High Baseline Support: cubic-bezier() easing
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New in Low Baseline Support: Animations (CSS)
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New in Low Baseline Support: cubic-bezier() easing
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arrays
33 Posts, last update 2026-01-04
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New in High Baseline Support: Array by copy
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New in High Baseline Support: Array findLast() and findLastIndex()
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New in High Baseline Support: Array at()
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New in Low Baseline Support: Array.fromAsync()
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New in Low Baseline Support: Array by copy
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New in Low Baseline Support: Array findLast() and findLastIndex()
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New in High Baseline Support: Stable array sort
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New in High Baseline Support: Array flat() and flatMap()
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New in Low Baseline Support: Array at()
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New in High Baseline Support: Array iterators
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New in Low Baseline Support: Stable array sort
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New in Low Baseline Support: Array flat() and flatMap()
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New in High Baseline Support: Array.of()
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New in High Baseline Support: Array includes()
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New in High Baseline Support: Array.from()
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New in High Baseline Support: Array find() and findIndex()
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New in High Baseline Support: Array fill()
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New in High Baseline Support: Array copyWithin()
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New in Low Baseline Support: Array iterators
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New in High Baseline Support: Array (initial support)
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New in High Baseline Support: Array splice()
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New in High Baseline Support: Array iteration methods
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New in High Baseline Support: Array.isArray()
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New in Low Baseline Support: Array.of()
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New in Low Baseline Support: Array includes()
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New in Low Baseline Support: Array.from()
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New in Low Baseline Support: Array find() and findIndex()
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New in Low Baseline Support: Array fill()
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New in Low Baseline Support: Array copyWithin()
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New in Low Baseline Support: Array (initial support)
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New in Low Baseline Support: Array splice()
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New in Low Baseline Support: Array iteration methods
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New in Low Baseline Support: Array.isArray()
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background
20 Posts, last update 2024-09-14
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New in High Baseline Support: background-attachment
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New in High Baseline Support: background-size
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New in Low Baseline Support: background-attachment
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New in Low Baseline Support: background-size
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New in High Baseline Support: background-repeat
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New in High Baseline Support: box-shadow
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New in High Baseline Support: background
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New in High Baseline Support: background-size
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New in High Baseline Support: background-position
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New in High Baseline Support: background-origin
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New in High Baseline Support: background-image
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New in High Baseline Support: background-color
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New in Low Baseline Support: background-repeat
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New in Low Baseline Support: box-shadow
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New in Low Baseline Support: background
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New in Low Baseline Support: background-size
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New in Low Baseline Support: background-position
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New in Low Baseline Support: background-origin
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New in Low Baseline Support: background-image
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New in Low Baseline Support: background-color
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baseline-high
645 Posts, last update 2026-05-21
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New in High Baseline Support: User activation
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New in High Baseline Support: rlh unit
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New in High Baseline Support: lh unit
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New in High Baseline Support: :user-valid and :user-invalid
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New in High Baseline Support: Clip path boxes
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New in High Baseline Support: Web authentication easy public key access
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New in High Baseline Support: String isWellFormed() and toWellFormed()
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New in High Baseline Support: ARIA attribute reflection
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New in High Baseline Support: <search>
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New in High Baseline Support: Update frequency media query
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New in High Baseline Support: Storage manager
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New in High Baseline Support: Overflow media queries
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New in High Baseline Support: <link rel="modulepreload">
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New in High Baseline Support: image-set()
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New in High Baseline Support: Hyphenation
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New in High Baseline Support: Hyphenate character
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New in High Baseline Support: Device orientation events
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New in High Baseline Support: @counter-style
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New in High Baseline Support: contain-intrinsic-size
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New in High Baseline Support: Subgrid
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New in High Baseline Support: dirname
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New in High Baseline Support: Two-value display property
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New in High Baseline Support: Array by copy
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New in High Baseline Support: animation-composition
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New in High Baseline Support: window.print()
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New in High Baseline Support: JavaScript modules in workers
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New in High Baseline Support: calc() keywords
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New in High Baseline Support: WebRTC SCTP information
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New in High Baseline Support: Oklab and Oklch
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New in High Baseline Support: :nth-child() of <selector>
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New in High Baseline Support: Lab and LCH
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New in High Baseline Support: Compression streams
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New in High Baseline Support: color-mix()
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New in High Baseline Support: color()
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New in High Baseline Support: inert
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New in High Baseline Support: Canvas roundRect()
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New in High Baseline Support: Canvas createConicGradient()
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New in High Baseline Support: Fixed-width SIMD (WebAssembly)
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New in High Baseline Support: Imperative slot assignment
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New in High Baseline Support: Server timing
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New in High Baseline Support: Screen orientation
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New in High Baseline Support: Resource size
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New in High Baseline Support: requestAnimationFrame() in workers
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New in High Baseline Support: Push messages
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New in High Baseline Support: pdfViewerEnabled
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New in High Baseline Support: outline
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New in High Baseline Support: Origin private file system
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New in High Baseline Support: Offscreen canvas
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New in High Baseline Support: messageerror
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New in High Baseline Support: Media query range syntax
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New in High Baseline Support: Import maps
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New in High Baseline Support: Form-associated custom elements
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New in High Baseline Support: font-synthesis-weight
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New in High Baseline Support: font-synthesis-style
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New in High Baseline Support: font-synthesis-small-caps
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New in High Baseline Support: Constructed stylesheets
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New in High Baseline Support: translate
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New in High Baseline Support: sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
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New in High Baseline Support: font-variant-alternates
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New in High Baseline Support: Container queries
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New in High Baseline Support: color-gamut media query
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New in High Baseline Support: MathML
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New in High Baseline Support: OES_draw_buffers_indexed WebGL extension
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New in High Baseline Support: Small, large, and dynamic viewport units
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New in High Baseline Support: font-palette
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New in High Baseline Support: Grid animation
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New in High Baseline Support: ic unit
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New in High Baseline Support: text-align-last
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New in High Baseline Support: resolution media query
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New in High Baseline Support: Permissions
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New in High Baseline Support: overscroll-behavior
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New in High Baseline Support: overflow: clip
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New in High Baseline Support: Motion path
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New in High Baseline Support: Forced colors
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New in High Baseline Support: Inline-size containment
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New in High Baseline Support: :modal
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New in High Baseline Support: Array findLast() and findLastIndex()
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New in High Baseline Support: Individual transform properties
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New in High Baseline Support: Style containment
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New in High Baseline Support: Streams
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New in High Baseline Support: prefers-contrast media query
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New in High Baseline Support: Exception handling (WebAssembly)
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New in High Baseline Support: dynamic-range media query
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New in High Baseline Support: Media capabilities
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New in High Baseline Support: HWB
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New in High Baseline Support: Locks
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New in High Baseline Support: 3D transforms
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New in High Baseline Support: text-decoration-skip-ink
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New in High Baseline Support: text-combine-upright
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New in High Baseline Support: structuredClone()
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New in High Baseline Support: String at()
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New in High Baseline Support: scroll-behavior
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New in High Baseline Support: Object.hasOwn()
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New in High Baseline Support: hardwareConcurrency
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New in High Baseline Support: :focus-visible
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New in High Baseline Support: <dialog>
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New in High Baseline Support: contain
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New in High Baseline Support: Size containment
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New in High Baseline Support: Paint containment
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New in High Baseline Support: Layout containment
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New in High Baseline Support: Cascade layers
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New in High Baseline Support: BroadcastChannel
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New in High Baseline Support: background-attachment
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New in High Baseline Support: ::backdrop
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New in High Baseline Support: Array at()
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New in High Baseline Support: appearance
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New in High Baseline Support: text-emphasis
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New in High Baseline Support: color-scheme
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New in High Baseline Support: font-synthesis
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New in High Baseline Support: Threads and atomics (WebAssembly)
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New in High Baseline Support: SharedArrayBuffer and Atomics
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New in High Baseline Support: inputmode
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New in High Baseline Support: Contenteditable
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New in High Baseline Support: Reference types (WebAssembly)
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New in High Baseline Support: fit-content
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New in High Baseline Support: Enterkeyhint
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New in High Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
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New in High Baseline Support: Bulk memory operations (WebAssembly)
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New in High Baseline Support: Navigation timing
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New in High Baseline Support: image-rendering
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New in High Baseline Support: WebGL2
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New in High Baseline Support: WEBGL_color_buffer_float WebGL extension
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New in High Baseline Support: Top-level await
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New in High Baseline Support: Referrer policy
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New in High Baseline Support: Logical properties
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New in High Baseline Support: IndexedDB
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New in High Baseline Support: EXT_color_buffer_float WebGL extension
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New in High Baseline Support: Events
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New in High Baseline Support: Error cause
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New in High Baseline Support: createImageBitmap
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New in High Baseline Support: BigInt64Array
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New in High Baseline Support: aspect-ratio
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New in High Baseline Support: Web authentication
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New in High Baseline Support: System font
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New in High Baseline Support: Visual viewport API
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New in High Baseline Support: tab-size
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New in High Baseline Support: Web Audio
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New in High Baseline Support: Weak references
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New in High Baseline Support: Sign extension operators (WebAssembly)
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New in High Baseline Support: BigInt to i64 conversion (WebAssembly)
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New in High Baseline Support: Quotes
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New in High Baseline Support: Paint timing
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New in High Baseline Support: OfflineAudioContext
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New in High Baseline Support: OES_fbo_render_mipmap WebGL extension
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New in High Baseline Support: MediaStream recording
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New in High Baseline Support: Intl.ListFormat
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New in High Baseline Support: Intl.DisplayNames
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New in High Baseline Support: Date and time <input> types
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New in High Baseline Support: Flexbox gap
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New in High Baseline Support: ::file-selector-button
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New in High Baseline Support: AudioWorklet
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New in High Baseline Support: <link rel="preload">
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New in High Baseline Support: :where()
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New in High Baseline Support: :not
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New in High Baseline Support: :is()
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New in High Baseline Support: clip-path
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New in High Baseline Support: Text underline position
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New in High Baseline Support: text-underline-offset
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New in High Baseline Support: Conic gradients
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New in High Baseline Support: Multi-value (WebAssembly)
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New in High Baseline Support: WebP
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New in High Baseline Support: WEBGL_debug_shaders WebGL extension
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New in High Baseline Support: Web animations
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New in High Baseline Support: text-orientation
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New in High Baseline Support: steps() easing
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New in High Baseline Support: scrollIntoView()
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New in High Baseline Support: Scroll methods on elements
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New in High Baseline Support: Promise.any()
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New in High Baseline Support: Nullish coalescing
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New in High Baseline Support: Logical assignments
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New in High Baseline Support: Intl.RelativeTimeFormat
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New in High Baseline Support: Intl.Locale
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New in High Baseline Support: EXT_color_buffer_half_float WebGL extension
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New in High Baseline Support: BigInt
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New in High Baseline Support: String replaceAll()
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New in High Baseline Support: text-underline-position
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New in High Baseline Support: Shadow parts
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New in High Baseline Support: Resize observer
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New in High Baseline Support: :read-only and :read-write
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New in High Baseline Support: queueMicrotask()
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New in High Baseline Support: Promise.allSettled()
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New in High Baseline Support: Pointer Events
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New in High Baseline Support: Opacity (SVG)
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New in High Baseline Support: Numeric separators
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New in High Baseline Support: Numeric separators
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New in High Baseline Support: min(), max(), and clamp()
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New in High Baseline Support: line-break
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New in High Baseline Support: Grid
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New in High Baseline Support: font-optical-sizing
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: display: table
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New in High Baseline Support: column-span
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New in High Baseline Support: background-size
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New in High Baseline Support: revert
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New in High Baseline Support: image-orientation
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New in High Baseline Support: Web animations
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New in High Baseline Support: Import and export of mutable globals (WebAssembly)
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New in High Baseline Support: Q unit
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New in High Baseline Support: overflow
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New in High Baseline Support: Opacity (SVG)
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New in High Baseline Support: Hashbang comments
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New in High Baseline Support: font-optical-sizing
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: display: table
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New in High Baseline Support: EXT_sRGB WebGL extension
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New in High Baseline Support: Media playback quality
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New in High Baseline Support: will-change
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New in High Baseline Support: WebVTT cue settings
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New in High Baseline Support: WebRTC
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New in High Baseline Support: WebRTC statistics
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New in High Baseline Support: WEBGL_compressed_texture_astc WebGL extension
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New in High Baseline Support: Text encoding and decoding
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New in High Baseline Support: Template literals
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New in High Baseline Support: SVG
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New in High Baseline Support: String trimStart() and trimEnd()
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New in High Baseline Support: String matchAll()
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New in High Baseline Support: Stable array sort
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New in High Baseline Support: Spread syntax
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New in High Baseline Support: Sourcemap header
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New in High Baseline Support: SMIL SVG animations
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New in High Baseline Support: <slot>
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New in High Baseline Support: shapes
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New in High Baseline Support: shape-outside
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New in High Baseline Support: Shadow DOM
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New in High Baseline Support: Server-sent events
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New in High Baseline Support: Scroll snap
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New in High Baseline Support: scrollIntoView()
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New in High Baseline Support: :scope (pseudo-class)
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New in High Baseline Support: Safe area inset environment variables
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New in High Baseline Support: RGB
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New in High Baseline Support: prefers-reduced-motion media query
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New in High Baseline Support: prefers-color-scheme
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New in High Baseline Support: PNG
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New in High Baseline Support: ::placeholder
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New in High Baseline Support: :placeholder-shown
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New in High Baseline Support: Optional catch binding
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New in High Baseline Support: object-position
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New in High Baseline Support: object-fit
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New in High Baseline Support: Mixed content handling
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New in High Baseline Support: mix-blend-mode
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New in High Baseline Support: Min and max width and height
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New in High Baseline Support: min-content and max-content
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New in High Baseline Support: Media capabilities
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New in High Baseline Support: mask-type
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New in High Baseline Support: Link selectors
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New in High Baseline Support: <link rel="preconnect">
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New in High Baseline Support: <link rel="dns-prefetch">
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New in High Baseline Support: Layout direction override
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New in High Baseline Support: isolation
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New in High Baseline Support: Input events
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New in High Baseline Support: :indeterminate
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New in High Baseline Support: ImageBitmapRenderingContext
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New in High Baseline Support: srcdoc
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New in High Baseline Support: HSL
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New in High Baseline Support: Host
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New in High Baseline Support: globalThis
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New in High Baseline Support: font-variant-numeric
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New in High Baseline Support: font-variant-ligatures
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New in High Baseline Support: font-variant-east-asian
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New in High Baseline Support: font-variant-caps
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New in High Baseline Support: font-stretch
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New in High Baseline Support: Font loading
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New in High Baseline Support: font-kerning
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New in High Baseline Support: font-display
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New in High Baseline Support: :focus-within
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New in High Baseline Support: File API
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New in High Baseline Support: <embed>
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New in High Baseline Support: document.elementFromPoint() and document.elementsFromPoint()
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New in High Baseline Support: dominant-baseline
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New in High Baseline Support: DOM Geometry
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New in High Baseline Support: display: flow-root
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New in High Baseline Support: <details>
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New in High Baseline Support: Destructuring
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New in High Baseline Support: :default
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New in High Baseline Support: CSS.supports()
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New in High Baseline Support: CSS.escape()
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New in High Baseline Support: Credential management
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New in High Baseline Support: COLRv0
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New in High Baseline Support: Animatable clipping paths
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New in High Baseline Support: Case-insensitive attribute selector
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New in High Baseline Support: caret-color
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New in High Baseline Support: captureStream() for <canvas>
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New in High Baseline Support: <bdi>
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New in High Baseline Support: background-blend-mode
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New in High Baseline Support: Autonomous custom elements
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New in High Baseline Support: Async iterators and the for await..of loop
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New in High Baseline Support: Async generators
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New in High Baseline Support: Array flat() and flatMap()
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New in High Baseline Support: all
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New in High Baseline Support: font-optical-sizing
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New in High Baseline Support: touch-action
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New in High Baseline Support: Sticky positioning
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New in High Baseline Support: Print events
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New in High Baseline Support: Intl.PluralRules
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New in High Baseline Support: download
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New in High Baseline Support: Intersection observer
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New in High Baseline Support: Encrypted media extensions
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New in High Baseline Support: AbortController and AbortSignal
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New in High Baseline Support: Abortable fetch
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New in High Baseline Support: Page breaks
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New in High Baseline Support: Interaction media queries
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New in High Baseline Support: Constraint validation API
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New in High Baseline Support: resolution media query (compatibility prefixes)
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New in High Baseline Support: tabindex
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New in High Baseline Support: Promise finally()
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New in High Baseline Support: overflow-wrap
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New in High Baseline Support: <output>
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New in High Baseline Support: <meter>
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New in High Baseline Support: Speech synthesis
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New in High Baseline Support: font-variation-settings
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New in High Baseline Support: JavaScript modules
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New in High Baseline Support: Array iterators
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New in High Baseline Support: WEBGL_lose_context WebGL extension
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New in High Baseline Support: Upgrade insecure requests
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New in High Baseline Support: Subresource integrity
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New in High Baseline Support: Service workers
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New in High Baseline Support: OES_vertex_array_object WebGL extension
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New in High Baseline Support: EXT_blend_minmax WebGL extension
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New in High Baseline Support: isSecureContext
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New in High Baseline Support: Beacons
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New in High Baseline Support: Spellcheck
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New in High Baseline Support: <time>
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New in High Baseline Support: <data>
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New in High Baseline Support: WebAssembly
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New in High Baseline Support: Viewport units
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New in High Baseline Support: Grid
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New in High Baseline Support: Intl
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New in High Baseline Support: Resource timing (initial support)
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New in High Baseline Support: Media capture
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New in High Baseline Support: font-stretch
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New in High Baseline Support: Brotli compression
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New in High Baseline Support: WEBGL_debug_renderer_info WebGL extension
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New in High Baseline Support: Composition events
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New in High Baseline Support: Text stroke and fill (compatibility prefixes)
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New in High Baseline Support: String padStart() and padEnd()
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New in High Baseline Support: Outlines
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New in High Baseline Support: font-feature-settings
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New in High Baseline Support: display: table
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New in High Baseline Support: Custom properties
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New in High Baseline Support: Async functions
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New in High Baseline Support: writing-mode
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New in High Baseline Support: srcset and sizes
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New in High Baseline Support: Gamepad
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New in High Baseline Support: Fetch
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New in High Baseline Support: Exponentiation operator
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New in High Baseline Support: Clipboard events
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New in High Baseline Support: Classes
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New in High Baseline Support: <input type="range">
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New in High Baseline Support: Selection
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New in High Baseline Support: Multi-column layout
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New in High Baseline Support: column-fill
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New in High Baseline Support: Border images
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New in High Baseline Support: User agent sniffing
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New in High Baseline Support: Typed array iterators
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New in High Baseline Support: Typed array iteration methods
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New in High Baseline Support: @supports (compatibility prefix)
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New in High Baseline Support: String normalize()
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New in High Baseline Support: Proxy and Reflect
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New in High Baseline Support: Let and const
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New in High Baseline Support: Generators
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New in High Baseline Support: @font-face
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New in High Baseline Support: Base64 encoding and decoding
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New in High Baseline Support: background-repeat
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New in High Baseline Support: Array.of()
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New in High Baseline Support: Array includes()
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New in High Baseline Support: Array.from()
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New in High Baseline Support: Array find() and findIndex()
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New in High Baseline Support: Array fill()
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New in High Baseline Support: Array copyWithin()
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New in High Baseline Support: filter
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New in High Baseline Support: OES_texture_half_float WebGL extension
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New in High Baseline Support: Content Security Policy (CSP)
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New in High Baseline Support: EXT_texture_filter_anisotropic WebGL extension
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New in High Baseline Support: ANGLE_instanced_arrays WebGL extension
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New in High Baseline Support: unset
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New in High Baseline Support: <picture>
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New in High Baseline Support: DOMParser
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New in High Baseline Support: Classes
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New in High Baseline Support: <template>
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New in High Baseline Support: initial
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New in High Baseline Support: word-break
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New in High Baseline Support: WeakSet
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New in High Baseline Support: Unicode point escapes
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New in High Baseline Support: Transitions (CSS)
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New in High Baseline Support: 2D transforms
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New in High Baseline Support: Symbol
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New in High Baseline Support: @supports
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New in High Baseline Support: String startsWith() and endsWith()
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New in High Baseline Support: String repeat()
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New in High Baseline Support: String raw()
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New in High Baseline Support: String includes()
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New in High Baseline Support: String codePointAt() and fromCodePoint()
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New in High Baseline Support: Flexbox
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New in High Baseline Support: CSS object model
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New in High Baseline Support: Animations (CSS)
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New in High Baseline Support: Channel messaging
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New in High Baseline Support: Performance
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New in High Baseline Support: z-index
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New in High Baseline Support: XSLT
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New in High Baseline Support: XPath
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New in High Baseline Support: XMLSerializer
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New in High Baseline Support: XMLHttpRequest
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New in High Baseline Support: word-spacing
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New in High Baseline Support: Window
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New in High Baseline Support: Width and height
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New in High Baseline Support: white-space
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New in High Baseline Support: WebVTT
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New in High Baseline Support: WebSockets
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New in High Baseline Support: WebGL
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New in High Baseline Support: WEBGL_depth_texture WebGL extension
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New in High Baseline Support: Web Cryptography
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New in High Baseline Support: WeakMap
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New in High Baseline Support: <wbr>
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New in High Baseline Support: visibility
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New in High Baseline Support: <video>
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New in High Baseline Support: vertical-align
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New in High Baseline Support: <var>
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New in High Baseline Support: User agent sniffing
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New in High Baseline Support: User action pseudo-classes
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New in High Baseline Support: URL
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New in High Baseline Support: <u>
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New in High Baseline Support: Typed arrays (initial support)
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New in High Baseline Support: <title>
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New in High Baseline Support: Title
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New in High Baseline Support: <textarea>
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New in High Baseline Support: text-transform
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New in High Baseline Support: Text tracks
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New in High Baseline Support: text-shadow
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New in High Baseline Support: Text overflow
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New in High Baseline Support: text-indent
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New in High Baseline Support: text-decoration
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New in High Baseline Support: text-align
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New in High Baseline Support: :target
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New in High Baseline Support: Tables
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New in High Baseline Support: System colors
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New in High Baseline Support: SVG filters
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New in High Baseline Support: <sub> and <sup>
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New in High Baseline Support: <style>
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New in High Baseline Support: style (attribute)
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New in High Baseline Support: <strong>
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New in High Baseline Support: String (initial support)
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New in High Baseline Support: Static positioning
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New in High Baseline Support: <span>
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New in High Baseline Support: <source>
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New in High Baseline Support: <small>
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New in High Baseline Support: setTimeout
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New in High Baseline Support: setInterval
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New in High Baseline Support: Set (initial support)
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New in High Baseline Support: Selectors (core)
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New in High Baseline Support: <select>
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New in High Baseline Support: <section>
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New in High Baseline Support: <input type="search">
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New in High Baseline Support: <script> and <noscript>
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New in High Baseline Support: Screen
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New in High Baseline Support: <samp>
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New in High Baseline Support: <s>
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New in High Baseline Support: <ruby>
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New in High Baseline Support: :root
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New in High Baseline Support: requestAnimationFrame()
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New in High Baseline Support: rem
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New in High Baseline Support: Relative positioning
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New in High Baseline Support: Regular expressions
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New in High Baseline Support: <q>
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New in High Baseline Support: Promise (initial support)
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New in High Baseline Support: <progress>
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New in High Baseline Support: <pre>
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New in High Baseline Support: postMessage
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New in High Baseline Support: Position
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New in High Baseline Support: pointer-events
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New in High Baseline Support: PNG
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New in High Baseline Support: Physical properties
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New in High Baseline Support: Page visibility
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New in High Baseline Support: Page transition events
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New in High Baseline Support: padding
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New in High Baseline Support: <p>
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New in High Baseline Support: opacity
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New in High Baseline Support: Online status
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New in High Baseline Support: OES_texture_float WebGL extension
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New in High Baseline Support: OES_texture_float_linear WebGL extension
-
New in High Baseline Support: OES_standard_derivatives WebGL extension
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New in High Baseline Support: OES_element_index_uint WebGL extension
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New in High Baseline Support: <object>
-
New in High Baseline Support: Object
-
New in High Baseline Support: Math and numbers
-
New in High Baseline Support: :nth-of-type() pseudo-classes
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New in High Baseline Support: :nth-child() (initial support)
-
New in High Baseline Support: Navigator
-
New in High Baseline Support: <nav>
-
New in High Baseline Support: `@namespace`
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New in High Baseline Support: Named colors
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New in High Baseline Support: MutationObserver
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New in High Baseline Support: Mouse events
-
New in High Baseline Support: Min and max width and height
-
New in High Baseline Support: <meta>
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New in High Baseline Support: Meta refresh
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New in High Baseline Support: <menu>
-
New in High Baseline Support: Media queries
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New in High Baseline Support: matchMedia
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New in High Baseline Support: <mark>
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New in High Baseline Support: margin
-
New in High Baseline Support: Map (initial support)
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New in High Baseline Support: <main>
-
New in High Baseline Support: Location
-
New in High Baseline Support: localStorage and sessionStorage
-
New in High Baseline Support: List style
-
New in High Baseline Support: <ol>, <ul>, and <li>
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New in High Baseline Support: <link>
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New in High Baseline Support: line-height
-
New in High Baseline Support: letter-spacing
-
New in High Baseline Support: Language
-
New in High Baseline Support: :lang()
-
New in High Baseline Support: Lang
-
New in High Baseline Support: <label>
-
New in High Baseline Support: Keyboard events
-
New in High Baseline Support: <kbd>
-
New in High Baseline Support: JSON
-
New in High Baseline Support: JPEG
-
New in High Baseline Support: JavaScript (initial core language support)
-
New in High Baseline Support: Iterators and the for...of loop
-
New in High Baseline Support: <ins>
-
New in High Baseline Support: <input>
-
New in High Baseline Support: <input type="submit">
-
New in High Baseline Support: Input selectors
-
New in High Baseline Support: <input type="reset">
-
New in High Baseline Support: <input type="radio">
-
New in High Baseline Support: <input type="password">
-
New in High Baseline Support: <input type="number">
-
New in High Baseline Support: <input type="image">
-
New in High Baseline Support: <input type="hidden">
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New in High Baseline Support: <input type="file">
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New in High Baseline Support: <input type="file" multiple>
-
New in High Baseline Support: Email, telephone, and URL <input> types
-
New in High Baseline Support: <input type="checkbox">
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New in High Baseline Support: <input type="button">
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New in High Baseline Support: inherit
-
New in High Baseline Support: @import
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New in High Baseline Support: <img>
-
New in High Baseline Support: Image maps
-
New in High Baseline Support: <iframe>
-
New in High Baseline Support: Sandboxed iframes
-
New in High Baseline Support: <i>
-
New in High Baseline Support: HTTP/1.1
-
New in High Baseline Support: HTTP authentication
-
New in High Baseline Support: <html>
-
New in High Baseline Support: HTTP Strict Transport Security
-
New in High Baseline Support: <hr>
-
New in High Baseline Support: History
-
New in High Baseline Support: <hgroup>
-
New in High Baseline Support: <h1> through <h6>
-
New in High Baseline Support: <header> and <footer>
-
New in High Baseline Support: <head>
-
New in High Baseline Support: hashchange
-
New in High Baseline Support: Gradients
-
New in High Baseline Support: GIF
-
New in High Baseline Support: getComputedStyle()
-
New in High Baseline Support: Geolocation
-
New in High Baseline Support: Functions
-
New in High Baseline Support: <form>
-
New in High Baseline Support: Form validity pseudo-classes
-
New in High Baseline Support: font-weight
-
New in High Baseline Support: font-variant
-
New in High Baseline Support: font-style
-
New in High Baseline Support: font-size
-
New in High Baseline Support: Font shorthand
-
New in High Baseline Support: font-family
-
New in High Baseline Support: Focus events
-
New in High Baseline Support: float and clear
-
New in High Baseline Support: Fixed positioning
-
New in High Baseline Support: ::first-line
-
New in High Baseline Support: ::first-letter
-
New in High Baseline Support: <figure> and <figcaption>
-
New in High Baseline Support: <fieldset> and <legend>
-
New in High Baseline Support: ex unit
-
New in High Baseline Support: Events
-
New in High Baseline Support: :empty
-
New in High Baseline Support: <em>
-
New in High Baseline Support: em unit
-
New in High Baseline Support: Drag and Drop
-
New in High Baseline Support: DOMParser
-
New in High Baseline Support: DOM
-
New in High Baseline Support: <div>
-
New in High Baseline Support: Display
-
New in High Baseline Support: display: table
-
New in High Baseline Support: display: list-item
-
New in High Baseline Support: <dfn>
-
New in High Baseline Support: Description list
-
New in High Baseline Support: <del>
-
New in High Baseline Support: Dedicated workers
-
New in High Baseline Support: Date
-
New in High Baseline Support: Dataset
-
New in High Baseline Support: Data URLs
-
New in High Baseline Support: currentColor
-
New in High Baseline Support: cubic-bezier() easing
-
New in High Baseline Support: Counters (CSS)
-
New in High Baseline Support: CORS
-
New in High Baseline Support: Cookies
-
New in High Baseline Support: Contenteditable
-
New in High Baseline Support: Content
-
New in High Baseline Support: Console
-
New in High Baseline Support: Color
-
New in High Baseline Support: <code>
-
New in High Baseline Support: <cite>
-
New in High Baseline Support: @charset
-
New in High Baseline Support: Change event
-
New in High Baseline Support: ch unit
-
New in High Baseline Support: <canvas>
-
New in High Baseline Support: 2D canvas
-
New in High Baseline Support: calc()
-
New in High Baseline Support: <button>
-
New in High Baseline Support: <br>
-
New in High Baseline Support: box-sizing
-
New in High Baseline Support: box-shadow
-
New in High Baseline Support: Borders
-
New in High Baseline Support: border-radius
-
New in High Baseline Support: <body>
-
New in High Baseline Support: BMP
-
New in High Baseline Support: <blockquote>
-
New in High Baseline Support: Beforeunload
-
New in High Baseline Support: ::before and ::after
-
New in High Baseline Support: <bdo>
-
New in High Baseline Support: Base64 encoding and decoding
-
New in High Baseline Support: <base>
-
New in High Baseline Support: BarProp
-
New in High Baseline Support: background
-
New in High Baseline Support: background-size
-
New in High Baseline Support: background-position
-
New in High Baseline Support: background-origin
-
New in High Baseline Support: background-image
-
New in High Baseline Support: background-color
-
New in High Baseline Support: background-clip
-
New in High Baseline Support: <b>
-
New in High Baseline Support: <audio>
-
New in High Baseline Support: attr() (content only)
-
New in High Baseline Support: <aside>
-
New in High Baseline Support: <article>
-
New in High Baseline Support: Array (initial support)
-
New in High Baseline Support: Array splice()
-
New in High Baseline Support: Array iteration methods
-
New in High Baseline Support: Array.isArray()
-
New in High Baseline Support: Alerts
-
New in High Baseline Support: <address>
-
New in High Baseline Support: Accesskey
-
New in High Baseline Support: Absolute positioning
-
New in High Baseline Support: <abbr>
-
New in High Baseline Support: <a>
๐
baseline-low
804 Posts, last update 2026-05-19
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New in Low Baseline Support: Container style queries
-
New in Low Baseline Support: ToggleEvent source
-
New in Low Baseline Support: :open
-
New in Low Baseline Support: text-decoration-skip-ink: all
-
New in Low Baseline Support: crisp-edges
-
New in Low Baseline Support: Shared worker
-
New in Low Baseline Support: JavaScript modules in shared workers
-
New in Low Baseline Support: Math.sumPrecise()
-
New in Low Baseline Support: contrast-color()
-
New in Low Baseline Support: WebTransport
-
New in Low Baseline Support: Reporting API
-
New in Low Baseline Support: CSP violation reports
-
New in Low Baseline Support: Readable byte streams
-
New in Low Baseline Support: Iterator.concat()
-
New in Low Baseline Support: Custom highlights
-
New in Low Baseline Support: Math font family
-
New in Low Baseline Support: baseline-shift
-
New in Low Baseline Support: text-indent: hanging
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New in Low Baseline Support: text-indent: each-line
-
New in Low Baseline Support: Branch hinting (WebAssembly)
-
New in Low Baseline Support: Trusted types
-
New in Low Baseline Support: shape()
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New in Low Baseline Support: Map getOrInsert()
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New in Low Baseline Support: Zstandard compression
-
New in Low Baseline Support: ric unit
-
New in Low Baseline Support: rex unit
-
New in Low Baseline Support: rch unit
-
New in Low Baseline Support: rcap unit
-
New in Low Baseline Support: Navigation API
-
New in Low Baseline Support: JavaScript modules in service workers
-
New in Low Baseline Support: Active view transition
-
New in Low Baseline Support: Spelling and grammar text decorations
-
New in Low Baseline Support: scrollend
-
New in Low Baseline Support: scrollbar-color
-
New in Low Baseline Support: @scope
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New in Low Baseline Support: Largest contentful paint (LCP)
-
New in Low Baseline Support: Invoker commands
-
New in Low Baseline Support: Math font family
-
New in Low Baseline Support: Event timing
-
New in Low Baseline Support: document.caretPositionFromPoint()
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New in Low Baseline Support: @scope
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New in Low Baseline Support: Atomics.waitAsync
-
New in Low Baseline Support: View transitions
-
New in Low Baseline Support: view-transition-class
-
New in Low Baseline Support: WebRTC encoded transform
-
New in Low Baseline Support: ::details-content
-
New in Low Baseline Support: URLPattern
-
New in Low Baseline Support: Unsanitized HTML parsing methods
-
New in Low Baseline Support: <link rel="dns-prefetch">
-
New in Low Baseline Support: content-visibility
-
New in Low Baseline Support: Uint8Array base64 and hex conversion
-
New in Low Baseline Support: <input type="file" webkitdirectory>
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New in Low Baseline Support: Selection composed ranges
-
New in Low Baseline Support: abs() and sign()
-
New in Low Baseline Support: dialog.requestClose()
-
New in Low Baseline Support: RegExp.escape()
-
New in Low Baseline Support: print-color-adjust
-
New in Low Baseline Support: JSON import attributes
-
New in Low Baseline Support: Single color stop gradients
-
New in Low Baseline Support: Float16Array
-
New in Low Baseline Support: Float16Array
-
New in Low Baseline Support: Atomics.pause()
-
New in Low Baseline Support: Screen wake lock
-
New in Low Baseline Support: JSON source text access
-
New in Low Baseline Support: Iterator methods
-
New in Low Baseline Support: ClipboardItem.supports()
-
New in Low Baseline Support: Intl.DurationFormat
-
New in Low Baseline Support: contenteditable="plaintext-only"
-
New in Low Baseline Support: Popover
-
New in Low Baseline Support: Promise.try()
-
New in Low Baseline Support: Tail call optimization (WebAssembly)
-
New in Low Baseline Support: Garbage collection (WebAssembly)
-
New in Low Baseline Support: ::target-text
-
New in Low Baseline Support: scrollbar-width
-
New in Low Baseline Support: scrollbar-gutter
-
New in Low Baseline Support: ruby-position
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New in Low Baseline Support: ruby-align
-
New in Low Baseline Support: Page setup
-
New in Low Baseline Support: Color management for WebGL2
-
New in Low Baseline Support: Color management for WebGL
-
New in Low Baseline Support: requestVideoFrameCallback()
-
New in Low Baseline Support: Fetch priority
-
New in Low Baseline Support: text-wrap
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New in Low Baseline Support: text-wrap: stable
-
New in Low Baseline Support: text-wrap-mode
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New in Low Baseline Support: Scroll to text fragment
-
New in Low Baseline Support: Typed function references (WebAssembly)
-
New in Low Baseline Support: Relative colors
-
New in Low Baseline Support: getHTML
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New in Low Baseline Support: cookieEnabled
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New in Low Baseline Support: content-visibility
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New in Low Baseline Support: willReadFrequently
-
New in Low Baseline Support: backdrop-filter
-
New in Low Baseline Support: Mutually exclusive <details> elements
-
New in Low Baseline Support: transition-behavior
-
New in Low Baseline Support: @starting-style
-
New in Low Baseline Support: font-size-adjust
-
New in Low Baseline Support: Resizable buffers
-
New in Low Baseline Support: Relative colors
-
New in Low Baseline Support: Registered custom properties
-
New in Low Baseline Support: Unsanitized HTML parsing methods
-
New in Low Baseline Support: Alt text for generated content
-
New in Low Baseline Support: Set methods
-
New in Low Baseline Support: <link rel="dns-prefetch">
-
New in Low Baseline Support: Gradient interpolation
-
New in Low Baseline Support: Async clipboard
-
New in Low Baseline Support: :state()
-
New in Low Baseline Support: round(), mod(), and rem()
-
New in Low Baseline Support: zoom
-
New in Low Baseline Support: text-wrap: balance
-
New in Low Baseline Support: light-dark()
-
New in Low Baseline Support: Vertical form controls
-
New in Low Baseline Support: AbortSignal.timeout()
-
New in Low Baseline Support: transform-box
-
New in Low Baseline Support: Popover
-
New in Low Baseline Support: Intl.Segmenter
-
New in Low Baseline Support: align-content in block layouts
-
New in Low Baseline Support: paint-order
-
New in Low Baseline Support: white-space-collapse
-
New in Low Baseline Support: text-wrap
-
New in Low Baseline Support: text-wrap: nowrap
-
New in Low Baseline Support: AbortSignal.any()
-
New in Low Baseline Support: Extended constant expressions (WebAssembly)
-
New in Low Baseline Support: Transferable ArrayBuffer
-
New in Low Baseline Support: Promise.withResolvers()
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New in Low Baseline Support: checkVisibility()
-
New in Low Baseline Support: Array grouping
-
New in Low Baseline Support: Declarative shadow DOM
-
New in Low Baseline Support: AVIF
-
New in Low Baseline Support: Array.fromAsync()
-
New in Low Baseline Support: rect() and xywh()
-
New in Low Baseline Support: rect() and xywh()
-
New in Low Baseline Support: Lazy-loading images and iframes
-
New in Low Baseline Support: :has()
-
New in Low Baseline Support: preservesPitch
-
New in Low Baseline Support: Preloading responsive images
-
New in Low Baseline Support: Nesting
-
New in Low Baseline Support: linear() easing
-
New in Low Baseline Support: createImageBitmap
-
New in Low Baseline Support: counter-set
-
New in Low Baseline Support: cap unit
-
New in Low Baseline Support: Canvas reset()
-
New in Low Baseline Support: URL.canParse()
-
New in Low Baseline Support: scripting media query
-
New in Low Baseline Support: Masks
-
New in Low Baseline Support: pow(), sqrt(), hypot(), log(), and exp()
-
New in Low Baseline Support: :dir()
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New in Low Baseline Support: background-clip: text
-
New in Low Baseline Support: Storage access
-
New in Low Baseline Support: User activation
-
New in Low Baseline Support: rlh unit
-
New in Low Baseline Support: lh unit
-
New in Low Baseline Support: :user-valid and :user-invalid
-
New in Low Baseline Support: Clip path boxes
-
New in Low Baseline Support: Web authentication easy public key access
-
New in Low Baseline Support: String isWellFormed() and toWellFormed()
-
New in Low Baseline Support: ARIA attribute reflection
-
New in Low Baseline Support: <search>
-
New in Low Baseline Support: Update frequency media query
-
New in Low Baseline Support: Storage manager
-
New in Low Baseline Support: Overflow media queries
-
New in Low Baseline Support: <link rel="modulepreload">
-
New in Low Baseline Support: image-set()
-
New in Low Baseline Support: Hyphenation
-
New in Low Baseline Support: Hyphenate character
-
New in Low Baseline Support: Device orientation events
-
New in Low Baseline Support: @counter-style
-
New in Low Baseline Support: contain-intrinsic-size
-
New in Low Baseline Support: Clearing site data
-
New in Low Baseline Support: Subgrid
-
New in Low Baseline Support: font-variant-position
-
New in Low Baseline Support: Motion path
-
New in Low Baseline Support: display-mode media query
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New in Low Baseline Support: dirname
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New in Low Baseline Support: Two-value display property
-
New in Low Baseline Support: Array by copy
-
New in Low Baseline Support: animation-composition
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New in Low Baseline Support: window.print()
-
New in Low Baseline Support: JavaScript modules in workers
-
New in Low Baseline Support: calc() constants
-
New in Low Baseline Support: WebRTC SCTP information
-
New in Low Baseline Support: Oklab and Oklch
-
New in Low Baseline Support: :nth-child() of <selector>
-
New in Low Baseline Support: Lab and LCH
-
New in Low Baseline Support: Compression streams
-
New in Low Baseline Support: color-mix()
-
New in Low Baseline Support: color()
-
New in Low Baseline Support: Inert elements
-
New in Low Baseline Support: Canvas roundRect()
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New in Low Baseline Support: Canvas createConicGradient()
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New in Low Baseline Support: WebAssembly SIMD
-
New in Low Baseline Support: Imperative slot assignment
-
New in Low Baseline Support: Server timing
-
New in Low Baseline Support: Screen orientation
-
New in Low Baseline Support: Resource size
-
New in Low Baseline Support: requestAnimationFrame() in workers
-
New in Low Baseline Support: Push messages
-
New in Low Baseline Support: pdfViewerEnabled
-
New in Low Baseline Support: outline
-
New in Low Baseline Support: Origin private file system
-
New in Low Baseline Support: Offscreen canvas
-
New in Low Baseline Support: messageerror
-
New in Low Baseline Support: Media query range syntax
-
New in Low Baseline Support: input (event)
-
New in Low Baseline Support: Import maps
-
New in Low Baseline Support: Form-associated custom elements
-
New in Low Baseline Support: font-synthesis-weight
-
New in Low Baseline Support: font-synthesis-style
-
New in Low Baseline Support: font-synthesis-small-caps
-
New in Low Baseline Support: Fetch metadata request headers
-
New in Low Baseline Support: Constructed stylesheets
-
New in Low Baseline Support: translate attribute
-
New in Low Baseline Support: Origin private file system
-
New in Low Baseline Support: sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
-
New in Low Baseline Support: font-variant-alternates
-
New in Low Baseline Support: Container queries
-
New in Low Baseline Support: color-gamut media query
-
New in Low Baseline Support: :autofill
-
New in Low Baseline Support: MathML
-
New in Low Baseline Support: WebGL OES_draw_buffers_indexed extension
-
New in Low Baseline Support: Small, large, and dynamic viewport units
-
New in Low Baseline Support: font-palette
-
New in Low Baseline Support: Grid animation
-
New in Low Baseline Support: ic unit
-
New in Low Baseline Support: text-align-last
-
New in Low Baseline Support: resolution media query
-
New in Low Baseline Support: Permissions
-
New in Low Baseline Support: overscroll-behavior
-
New in Low Baseline Support: overflow
-
New in Low Baseline Support: overflow: clip
-
New in Low Baseline Support: Motion path
-
New in Low Baseline Support: Forced colors
-
New in Low Baseline Support: Inline-size containment
-
New in Low Baseline Support: :modal
-
New in Low Baseline Support: Array findLast() and findLastIndex()
-
New in Low Baseline Support: Individual transform properties
-
New in Low Baseline Support: Style containment
-
New in Low Baseline Support: Streams
-
New in Low Baseline Support: prefers-contrast media query
-
New in Low Baseline Support: Exception handling (WebAssembly)
-
New in Low Baseline Support: dynamic-range media query
-
New in Low Baseline Support: Media capabilities
-
New in Low Baseline Support: HWB
-
New in Low Baseline Support: Locks
-
New in Low Baseline Support: 3D transforms
-
New in Low Baseline Support: text-decoration-skip-ink
-
New in Low Baseline Support: text-combine-upright
-
New in Low Baseline Support: structuredClone()
-
New in Low Baseline Support: String at()
-
New in Low Baseline Support: scroll-behavior
-
New in Low Baseline Support: Object.hasOwn()
-
New in Low Baseline Support: hardwareConcurrency
-
New in Low Baseline Support: :focus-visible
-
New in Low Baseline Support: <dialog>
-
New in Low Baseline Support: contain
-
New in Low Baseline Support: Size containment
-
New in Low Baseline Support: Paint containment
-
New in Low Baseline Support: Layout containment
-
New in Low Baseline Support: Cascade layers
-
New in Low Baseline Support: BroadcastChannel
-
New in Low Baseline Support: background-attachment
-
New in Low Baseline Support: ::backdrop
-
New in Low Baseline Support: Array at()
-
New in Low Baseline Support: appearance
-
New in Low Baseline Support: accent-color
-
New in Low Baseline Support: text-emphasis
-
New in Low Baseline Support: color-scheme
-
New in Low Baseline Support: font-synthesis
-
New in Low Baseline Support: Threads and atomics (WebAssembly)
-
New in Low Baseline Support: SharedArrayBuffer and Atomics
-
New in Low Baseline Support: inputmode
-
New in Low Baseline Support: Contenteditable
-
New in Low Baseline Support: Reference types (WebAssembly)
-
New in Low Baseline Support: fit-content
-
New in Low Baseline Support: Enterkeyhint
-
New in Low Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
-
New in Low Baseline Support: Bulk memory operations (WebAssembly)
-
New in Low Baseline Support: Navigation timing
-
New in Low Baseline Support: image-rendering
-
New in Low Baseline Support: WebGL2
-
New in Low Baseline Support: WEBGL_color_buffer_float WebGL extension
-
New in Low Baseline Support: Top-level await
-
New in Low Baseline Support: Referrer policy
-
New in Low Baseline Support: Logical properties
-
New in Low Baseline Support: IndexedDB
-
New in Low Baseline Support: EXT_color_buffer_float WebGL extension
-
New in Low Baseline Support: Events
-
New in Low Baseline Support: Error cause
-
New in Low Baseline Support: createImageBitmap
-
New in Low Baseline Support: BigInt64Array
-
New in Low Baseline Support: aspect-ratio
-
New in Low Baseline Support: Web authentication
-
New in Low Baseline Support: System font
-
New in Low Baseline Support: Visual viewport API
-
New in Low Baseline Support: tab-size
-
New in Low Baseline Support: Web Audio
-
New in Low Baseline Support: Weak references
-
New in Low Baseline Support: Sign extension operators (WebAssembly)
-
New in Low Baseline Support: BigInt to i64 conversion (WebAssembly)
-
New in Low Baseline Support: Quotes
-
New in Low Baseline Support: Paint timing
-
New in Low Baseline Support: OfflineAudioContext
-
New in Low Baseline Support: OES_fbo_render_mipmap WebGL extension
-
New in Low Baseline Support: MediaStream recording
-
New in Low Baseline Support: Intl.ListFormat
-
New in Low Baseline Support: Intl.DisplayNames
-
New in Low Baseline Support: Date and time <input> types
-
New in Low Baseline Support: Flexbox gap
-
New in Low Baseline Support: ::file-selector-button
-
New in Low Baseline Support: AudioWorklet
-
New in Low Baseline Support: <link rel="preload">
-
New in Low Baseline Support: :where()
-
New in Low Baseline Support: :not
-
New in Low Baseline Support: :is()
-
New in Low Baseline Support: clip-path
-
New in Low Baseline Support: Text underline position
-
New in Low Baseline Support: text-underline-offset
-
New in Low Baseline Support: Conic gradients
-
New in Low Baseline Support: Multi-value (WebAssembly)
-
New in Low Baseline Support: WebP
-
New in Low Baseline Support: WEBGL_debug_shaders WebGL extension
-
New in Low Baseline Support: Web animations
-
New in Low Baseline Support: text-orientation
-
New in Low Baseline Support: steps() easing
-
New in Low Baseline Support: scrollIntoView()
-
New in Low Baseline Support: Scroll methods on elements
-
New in Low Baseline Support: Promise.any()
-
New in Low Baseline Support: Nullish coalescing
-
New in Low Baseline Support: Logical assignments
-
New in Low Baseline Support: Intl.RelativeTimeFormat
-
New in Low Baseline Support: Intl.Locale
-
New in Low Baseline Support: EXT_color_buffer_half_float WebGL extension
-
New in Low Baseline Support: BigInt
-
New in Low Baseline Support: String replaceAll()
-
New in Low Baseline Support: text-underline-position
-
New in Low Baseline Support: Shadow parts
-
New in Low Baseline Support: Resize observer
-
New in Low Baseline Support: :read-only and :read-write
-
New in Low Baseline Support: queueMicrotask()
-
New in Low Baseline Support: Promise.allSettled()
-
New in Low Baseline Support: Pointer Events
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: min(), max(), and clamp()
-
New in Low Baseline Support: line-break
-
New in Low Baseline Support: Grid
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: column-span
-
New in Low Baseline Support: background-size
-
New in Low Baseline Support: revert
-
New in Low Baseline Support: image-orientation
-
New in Low Baseline Support: Web animations
-
New in Low Baseline Support: Import and export of mutable globals (WebAssembly)
-
New in Low Baseline Support: Q unit
-
New in Low Baseline Support: overflow
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: Hashbang comments
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: EXT_sRGB WebGL extension
-
New in Low Baseline Support: Media playback quality
-
New in Low Baseline Support: will-change
-
New in Low Baseline Support: WebVTT cue settings
-
New in Low Baseline Support: WebRTC
-
New in Low Baseline Support: WebRTC statistics
-
New in Low Baseline Support: WEBGL_compressed_texture_astc WebGL extension
-
New in Low Baseline Support: Text encoding and decoding
-
New in Low Baseline Support: Template literals
-
New in Low Baseline Support: SVG
-
New in Low Baseline Support: String trimStart() and trimEnd()
-
New in Low Baseline Support: String matchAll()
-
New in Low Baseline Support: Stable array sort
-
New in Low Baseline Support: Spread syntax
-
New in Low Baseline Support: Sourcemap header
-
New in Low Baseline Support: SMIL SVG animations
-
New in Low Baseline Support: <slot>
-
New in Low Baseline Support: shapes
-
New in Low Baseline Support: shape-outside
-
New in Low Baseline Support: Shadow DOM
-
New in Low Baseline Support: Server-sent events
-
New in Low Baseline Support: Scroll snap
-
New in Low Baseline Support: scrollIntoView()
-
New in Low Baseline Support: :scope (pseudo-class)
-
New in Low Baseline Support: Safe area inset environment variables
-
New in Low Baseline Support: RGB
-
New in Low Baseline Support: prefers-reduced-motion media query
-
New in Low Baseline Support: prefers-color-scheme
-
New in Low Baseline Support: PNG
-
New in Low Baseline Support: ::placeholder
-
New in Low Baseline Support: :placeholder-shown
-
New in Low Baseline Support: Optional catch binding
-
New in Low Baseline Support: object-position
-
New in Low Baseline Support: object-fit
-
New in Low Baseline Support: Mixed content handling
-
New in Low Baseline Support: mix-blend-mode
-
New in Low Baseline Support: Min and max width and height
-
New in Low Baseline Support: min-content and max-content
-
New in Low Baseline Support: Media capabilities
-
New in Low Baseline Support: mask-type
-
New in Low Baseline Support: Link selectors
-
New in Low Baseline Support: <link rel="preconnect">
-
New in Low Baseline Support: <link rel="dns-prefetch">
-
New in Low Baseline Support: Layout direction override
-
New in Low Baseline Support: isolation
-
New in Low Baseline Support: Input events
-
New in Low Baseline Support: :indeterminate
-
New in Low Baseline Support: ImageBitmapRenderingContext
-
New in Low Baseline Support: srcdoc
-
New in Low Baseline Support: HSL
-
New in Low Baseline Support: Host
-
New in Low Baseline Support: globalThis
-
New in Low Baseline Support: font-variant-numeric
-
New in Low Baseline Support: font-variant-ligatures
-
New in Low Baseline Support: font-variant-east-asian
-
New in Low Baseline Support: font-variant-caps
-
New in Low Baseline Support: font-stretch
-
New in Low Baseline Support: Font loading
-
New in Low Baseline Support: font-kerning
-
New in Low Baseline Support: font-display
-
New in Low Baseline Support: :focus-within
-
New in Low Baseline Support: File API
-
New in Low Baseline Support: <embed>
-
New in Low Baseline Support: document.elementFromPoint() and document.elementsFromPoint()
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: DOM Geometry
-
New in Low Baseline Support: display: flow-root
-
New in Low Baseline Support: <details>
-
New in Low Baseline Support: Destructuring
-
New in Low Baseline Support: :default
-
New in Low Baseline Support: CSS.supports()
-
New in Low Baseline Support: CSS.escape()
-
New in Low Baseline Support: Credential management
-
New in Low Baseline Support: COLRv0
-
New in Low Baseline Support: Animatable clipping paths
-
New in Low Baseline Support: Case-insensitive attribute selector
-
New in Low Baseline Support: caret-color
-
New in Low Baseline Support: captureStream() for <canvas>
-
New in Low Baseline Support: <bdi>
-
New in Low Baseline Support: background-blend-mode
-
New in Low Baseline Support: Autonomous custom elements
-
New in Low Baseline Support: Async iterators and the for await..of loop
-
New in Low Baseline Support: Async generators
-
New in Low Baseline Support: Array flat() and flatMap()
-
New in Low Baseline Support: all
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: touch-action
-
New in Low Baseline Support: Sticky positioning
-
New in Low Baseline Support: Print events
-
New in Low Baseline Support: Intl.PluralRules
-
New in Low Baseline Support: download
-
New in Low Baseline Support: Intersection observer
-
New in Low Baseline Support: Encrypted media extensions
-
New in Low Baseline Support: AbortController and AbortSignal
-
New in Low Baseline Support: Abortable fetch
-
New in Low Baseline Support: Page breaks
-
New in Low Baseline Support: Interaction media queries
-
New in Low Baseline Support: Constraint validation API
-
New in Low Baseline Support: resolution media query (compatibility prefixes)
-
New in Low Baseline Support: tabindex
-
New in Low Baseline Support: Promise finally()
-
New in Low Baseline Support: overflow-wrap
-
New in Low Baseline Support: <output>
-
New in Low Baseline Support: <meter>
-
New in Low Baseline Support: Speech synthesis
-
New in Low Baseline Support: font-variation-settings
-
New in Low Baseline Support: JavaScript modules
-
New in Low Baseline Support: Array iterators
-
New in Low Baseline Support: WEBGL_lose_context WebGL extension
-
New in Low Baseline Support: Upgrade insecure requests
-
New in Low Baseline Support: Subresource integrity
-
New in Low Baseline Support: Service workers
-
New in Low Baseline Support: OES_vertex_array_object WebGL extension
-
New in Low Baseline Support: EXT_blend_minmax WebGL extension
-
New in Low Baseline Support: isSecureContext
-
New in Low Baseline Support: Beacons
-
New in Low Baseline Support: Spellcheck
-
New in Low Baseline Support: <time>
-
New in Low Baseline Support: <data>
-
New in Low Baseline Support: WebAssembly
-
New in Low Baseline Support: Viewport units
-
New in Low Baseline Support: Grid
-
New in Low Baseline Support: Intl
-
New in Low Baseline Support: Resource timing (initial support)
-
New in Low Baseline Support: Media capture
-
New in Low Baseline Support: font-stretch
-
New in Low Baseline Support: Brotli compression
-
New in Low Baseline Support: WEBGL_debug_renderer_info WebGL extension
-
New in Low Baseline Support: Composition events
-
New in Low Baseline Support: Text stroke and fill (compatibility prefixes)
-
New in Low Baseline Support: String padStart() and padEnd()
-
New in Low Baseline Support: Outlines
-
New in Low Baseline Support: font-feature-settings
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: Custom properties
-
New in Low Baseline Support: Async functions
-
New in Low Baseline Support: writing-mode
-
New in Low Baseline Support: srcset and sizes
-
New in Low Baseline Support: Gamepad
-
New in Low Baseline Support: Fetch
-
New in Low Baseline Support: Exponentiation operator
-
New in Low Baseline Support: Clipboard events
-
New in Low Baseline Support: Classes
-
New in Low Baseline Support: <input type="range">
-
New in Low Baseline Support: Selection
-
New in Low Baseline Support: Multi-column layout
-
New in Low Baseline Support: column-fill
-
New in Low Baseline Support: Border images
-
New in Low Baseline Support: User agent sniffing
-
New in Low Baseline Support: Typed array iterators
-
New in Low Baseline Support: Typed array iteration methods
-
New in Low Baseline Support: @supports (compatibility prefix)
-
New in Low Baseline Support: String normalize()
-
New in Low Baseline Support: Proxy and Reflect
-
New in Low Baseline Support: Let and const
-
New in Low Baseline Support: Generators
-
New in Low Baseline Support: @font-face
-
New in Low Baseline Support: Base64 encoding and decoding
-
New in Low Baseline Support: background-repeat
-
New in Low Baseline Support: Array.of()
-
New in Low Baseline Support: Array includes()
-
New in Low Baseline Support: Array.from()
-
New in Low Baseline Support: Array find() and findIndex()
-
New in Low Baseline Support: Array fill()
-
New in Low Baseline Support: Array copyWithin()
-
New in Low Baseline Support: filter
-
New in Low Baseline Support: OES_texture_half_float WebGL extension
-
New in Low Baseline Support: Content Security Policy (CSP)
-
New in Low Baseline Support: EXT_texture_filter_anisotropic WebGL extension
-
New in Low Baseline Support: ANGLE_instanced_arrays WebGL extension
-
New in Low Baseline Support: unset
-
New in Low Baseline Support: <picture>
-
New in Low Baseline Support: DOMParser
-
New in Low Baseline Support: Classes
-
New in Low Baseline Support: <template>
-
New in Low Baseline Support: initial
-
New in Low Baseline Support: word-break
-
New in Low Baseline Support: WeakSet
-
New in Low Baseline Support: Unicode point escapes
-
New in Low Baseline Support: Transitions (CSS)
-
New in Low Baseline Support: 2D transforms
-
New in Low Baseline Support: Symbol
-
New in Low Baseline Support: @supports
-
New in Low Baseline Support: String startsWith() and endsWith()
-
New in Low Baseline Support: String repeat()
-
New in Low Baseline Support: String raw()
-
New in Low Baseline Support: String includes()
-
New in Low Baseline Support: String codePointAt() and fromCodePoint()
-
New in Low Baseline Support: Flexbox
-
New in Low Baseline Support: CSS object model
-
New in Low Baseline Support: Animations (CSS)
-
New in Low Baseline Support: Channel messaging
-
New in Low Baseline Support: Performance
-
New in Low Baseline Support: z-index
-
New in Low Baseline Support: XSLT
-
New in Low Baseline Support: XPath
-
New in Low Baseline Support: XMLSerializer
-
New in Low Baseline Support: XMLHttpRequest
-
New in Low Baseline Support: word-spacing
-
New in Low Baseline Support: Window
-
New in Low Baseline Support: Width and height
-
New in Low Baseline Support: white-space
-
New in Low Baseline Support: WebVTT
-
New in Low Baseline Support: WebSockets
-
New in Low Baseline Support: WebGL
-
New in Low Baseline Support: WEBGL_depth_texture WebGL extension
-
New in Low Baseline Support: Web Cryptography
-
New in Low Baseline Support: WeakMap
-
New in Low Baseline Support: <wbr>
-
New in Low Baseline Support: visibility
-
New in Low Baseline Support: <video>
-
New in Low Baseline Support: vertical-align
-
New in Low Baseline Support: <var>
-
New in Low Baseline Support: User agent sniffing
-
New in Low Baseline Support: User action pseudo-classes
-
New in Low Baseline Support: URL
-
New in Low Baseline Support: <u>
-
New in Low Baseline Support: Typed arrays (initial support)
-
New in Low Baseline Support: <title>
-
New in Low Baseline Support: Title
-
New in Low Baseline Support: <textarea>
-
New in Low Baseline Support: text-transform
-
New in Low Baseline Support: Text tracks
-
New in Low Baseline Support: text-shadow
-
New in Low Baseline Support: Text overflow
-
New in Low Baseline Support: text-indent
-
New in Low Baseline Support: text-decoration
-
New in Low Baseline Support: text-align
-
New in Low Baseline Support: :target
-
New in Low Baseline Support: Tables
-
New in Low Baseline Support: System colors
-
New in Low Baseline Support: SVG filters
-
New in Low Baseline Support: <sub> and <sup>
-
New in Low Baseline Support: <style>
-
New in Low Baseline Support: style (attribute)
-
New in Low Baseline Support: <strong>
-
New in Low Baseline Support: String (initial support)
-
New in Low Baseline Support: Static positioning
-
New in Low Baseline Support: <span>
-
New in Low Baseline Support: <source>
-
New in Low Baseline Support: <small>
-
New in Low Baseline Support: setTimeout
-
New in Low Baseline Support: setInterval
-
New in Low Baseline Support: Set (initial support)
-
New in Low Baseline Support: Selectors (core)
-
New in Low Baseline Support: <select>
-
New in Low Baseline Support: <section>
-
New in Low Baseline Support: <input type="search">
-
New in Low Baseline Support: <script> and <noscript>
-
New in Low Baseline Support: Screen
-
New in Low Baseline Support: <samp>
-
New in Low Baseline Support: <s>
-
New in Low Baseline Support: <ruby>
-
New in Low Baseline Support: :root
-
New in Low Baseline Support: requestAnimationFrame()
-
New in Low Baseline Support: rem
-
New in Low Baseline Support: Relative positioning
-
New in Low Baseline Support: Regular expressions
-
New in Low Baseline Support: <q>
-
New in Low Baseline Support: Promise (initial support)
-
New in Low Baseline Support: <progress>
-
New in Low Baseline Support: <pre>
-
New in Low Baseline Support: postMessage
-
New in Low Baseline Support: Position
-
New in Low Baseline Support: pointer-events
-
New in Low Baseline Support: PNG
-
New in Low Baseline Support: Physical properties
-
New in Low Baseline Support: Page visibility
-
New in Low Baseline Support: Page transition events
-
New in Low Baseline Support: padding
-
New in Low Baseline Support: <p>
-
New in Low Baseline Support: opacity
-
New in Low Baseline Support: Online status
-
New in Low Baseline Support: OES_texture_float WebGL extension
-
New in Low Baseline Support: OES_texture_float_linear WebGL extension
-
New in Low Baseline Support: OES_standard_derivatives WebGL extension
-
New in Low Baseline Support: OES_element_index_uint WebGL extension
-
New in Low Baseline Support: <object>
-
New in Low Baseline Support: Object
-
New in Low Baseline Support: Math and numbers
-
New in Low Baseline Support: :nth-of-type() pseudo-classes
-
New in Low Baseline Support: :nth-child() (initial support)
-
New in Low Baseline Support: Navigator
-
New in Low Baseline Support: <nav>
-
New in Low Baseline Support: `@namespace`
-
New in Low Baseline Support: Named colors
-
New in Low Baseline Support: MutationObserver
-
New in Low Baseline Support: Mouse events
-
New in Low Baseline Support: Min and max width and height
-
New in Low Baseline Support: <meta>
-
New in Low Baseline Support: Meta refresh
-
New in Low Baseline Support: <menu>
-
New in Low Baseline Support: Media queries
-
New in Low Baseline Support: matchMedia
-
New in Low Baseline Support: <mark>
-
New in Low Baseline Support: margin
-
New in Low Baseline Support: Map (initial support)
-
New in Low Baseline Support: <main>
-
New in Low Baseline Support: Location
-
New in Low Baseline Support: localStorage and sessionStorage
-
New in Low Baseline Support: List style
-
New in Low Baseline Support: <ol>, <ul>, and <li>
-
New in Low Baseline Support: <link>
-
New in Low Baseline Support: line-height
-
New in Low Baseline Support: letter-spacing
-
New in Low Baseline Support: Language
-
New in Low Baseline Support: :lang()
-
New in Low Baseline Support: Lang
-
New in Low Baseline Support: <label>
-
New in Low Baseline Support: Keyboard events
-
New in Low Baseline Support: <kbd>
-
New in Low Baseline Support: JSON
-
New in Low Baseline Support: JPEG
-
New in Low Baseline Support: JavaScript (initial core language support)
-
New in Low Baseline Support: Iterators and the for...of loop
-
New in Low Baseline Support: <ins>
-
New in Low Baseline Support: <input>
-
New in Low Baseline Support: <input type="submit">
-
New in Low Baseline Support: Input selectors
-
New in Low Baseline Support: <input type="reset">
-
New in Low Baseline Support: <input type="radio">
-
New in Low Baseline Support: <input type="password">
-
New in Low Baseline Support: <input type="number">
-
New in Low Baseline Support: <input type="image">
-
New in Low Baseline Support: <input type="hidden">
-
New in Low Baseline Support: <input type="file">
-
New in Low Baseline Support: <input type="file" multiple>
-
New in Low Baseline Support: Email, telephone, and URL <input> types
-
New in Low Baseline Support: <input type="checkbox">
-
New in Low Baseline Support: <input type="button">
-
New in Low Baseline Support: inherit
-
New in Low Baseline Support: @import
-
New in Low Baseline Support: <img>
-
New in Low Baseline Support: Image maps
-
New in Low Baseline Support: <iframe>
-
New in Low Baseline Support: Sandboxed iframes
-
New in Low Baseline Support: <i>
-
New in Low Baseline Support: HTTP/1.1
-
New in Low Baseline Support: HTTP authentication
-
New in Low Baseline Support: <html>
-
New in Low Baseline Support: HTTP Strict Transport Security
-
New in Low Baseline Support: <hr>
-
New in Low Baseline Support: History
-
New in Low Baseline Support: <hgroup>
-
New in Low Baseline Support: <h1> through <h6>
-
New in Low Baseline Support: <header> and <footer>
-
New in Low Baseline Support: <head>
-
New in Low Baseline Support: hashchange
-
New in Low Baseline Support: Gradients
-
New in Low Baseline Support: GIF
-
New in Low Baseline Support: getComputedStyle()
-
New in Low Baseline Support: Geolocation
-
New in Low Baseline Support: Functions
-
New in Low Baseline Support: <form>
-
New in Low Baseline Support: Form validity pseudo-classes
-
New in Low Baseline Support: font-weight
-
New in Low Baseline Support: font-variant
-
New in Low Baseline Support: font-style
-
New in Low Baseline Support: font-size
-
New in Low Baseline Support: Font shorthand
-
New in Low Baseline Support: font-family
-
New in Low Baseline Support: Focus events
-
New in Low Baseline Support: float and clear
-
New in Low Baseline Support: Fixed positioning
-
New in Low Baseline Support: ::first-line
-
New in Low Baseline Support: ::first-letter
-
New in Low Baseline Support: <figure> and <figcaption>
-
New in Low Baseline Support: <fieldset> and <legend>
-
New in Low Baseline Support: ex unit
-
New in Low Baseline Support: Events
-
New in Low Baseline Support: :empty
-
New in Low Baseline Support: <em>
-
New in Low Baseline Support: em unit
-
New in Low Baseline Support: Drag and Drop
-
New in Low Baseline Support: DOMParser
-
New in Low Baseline Support: DOM
-
New in Low Baseline Support: <div>
-
New in Low Baseline Support: Display
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: display: list-item
-
New in Low Baseline Support: <dfn>
-
New in Low Baseline Support: Description list
-
New in Low Baseline Support: <del>
-
New in Low Baseline Support: Dedicated workers
-
New in Low Baseline Support: Date
-
New in Low Baseline Support: Dataset
-
New in Low Baseline Support: Data URLs
-
New in Low Baseline Support: currentColor
-
New in Low Baseline Support: cubic-bezier() easing
-
New in Low Baseline Support: Counters (CSS)
-
New in Low Baseline Support: CORS
-
New in Low Baseline Support: Cookies
-
New in Low Baseline Support: Contenteditable
-
New in Low Baseline Support: Content
-
New in Low Baseline Support: Console
-
New in Low Baseline Support: Color
-
New in Low Baseline Support: <code>
-
New in Low Baseline Support: <cite>
-
New in Low Baseline Support: @charset
-
New in Low Baseline Support: Change event
-
New in Low Baseline Support: ch unit
-
New in Low Baseline Support: <canvas>
-
New in Low Baseline Support: 2D canvas
-
New in Low Baseline Support: calc()
-
New in Low Baseline Support: <button>
-
New in Low Baseline Support: <br>
-
New in Low Baseline Support: box-sizing
-
New in Low Baseline Support: box-shadow
-
New in Low Baseline Support: Borders
-
New in Low Baseline Support: border-radius
-
New in Low Baseline Support: <body>
-
New in Low Baseline Support: BMP
-
New in Low Baseline Support: <blockquote>
-
New in Low Baseline Support: Beforeunload
-
New in Low Baseline Support: ::before and ::after
-
New in Low Baseline Support: <bdo>
-
New in Low Baseline Support: Base64 encoding and decoding
-
New in Low Baseline Support: <base>
-
New in Low Baseline Support: BarProp
-
New in Low Baseline Support: background
-
New in Low Baseline Support: background-size
-
New in Low Baseline Support: background-position
-
New in Low Baseline Support: background-origin
-
New in Low Baseline Support: background-image
-
New in Low Baseline Support: background-color
-
New in Low Baseline Support: background-clip
-
New in Low Baseline Support: <b>
-
New in Low Baseline Support: <audio>
-
New in Low Baseline Support: attr() (content only)
-
New in Low Baseline Support: <aside>
-
New in Low Baseline Support: <article>
-
New in Low Baseline Support: Array (initial support)
-
New in Low Baseline Support: Array splice()
-
New in Low Baseline Support: Array iteration methods
-
New in Low Baseline Support: Array.isArray()
-
New in Low Baseline Support: Alerts
-
New in Low Baseline Support: <address>
-
New in Low Baseline Support: Accesskey
-
New in Low Baseline Support: Absolute positioning
-
New in Low Baseline Support: <abbr>
-
New in Low Baseline Support: <a>
๐
blend-mode
6 Posts, last update 2022-07-15
๐
borders-outlines
4 Posts, last update 2018-01-29
๐
canvas
14 Posts, last update 2025-10-11
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New in High Baseline Support: Canvas roundRect()
-
New in High Baseline Support: Canvas createConicGradient()
-
New in High Baseline Support: Offscreen canvas
-
New in Low Baseline Support: willReadFrequently
-
New in Low Baseline Support: Canvas reset()
-
New in Low Baseline Support: Canvas roundRect()
-
New in Low Baseline Support: Canvas createConicGradient()
-
New in Low Baseline Support: Offscreen canvas
-
New in High Baseline Support: captureStream() for <canvas>
-
New in Low Baseline Support: captureStream() for <canvas>
-
New in High Baseline Support: <canvas>
-
New in High Baseline Support: 2D canvas
-
New in Low Baseline Support: <canvas>
-
New in Low Baseline Support: 2D canvas
๐
clipboard
4 Posts, last update 2025-03-31
๐
clipping-shapes-masking
15 Posts, last update 2026-05-02
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New in High Baseline Support: Clip path boxes
-
New in Low Baseline Support: shape()
-
New in Low Baseline Support: rect() and xywh()
-
New in Low Baseline Support: rect() and xywh()
-
New in Low Baseline Support: Clip path boxes
-
New in High Baseline Support: clip-path
-
New in High Baseline Support: shapes
-
New in High Baseline Support: shape-outside
-
New in High Baseline Support: mask-type
-
New in High Baseline Support: Animatable clipping paths
-
New in Low Baseline Support: clip-path
-
New in Low Baseline Support: shapes
-
New in Low Baseline Support: shape-outside
-
New in Low Baseline Support: mask-type
-
New in Low Baseline Support: Animatable clipping paths
๐
collections
4 Posts, last update 2018-03-30
๐
color-types
16 Posts, last update 2026-04-10
-
New in Low Baseline Support: contrast-color()
-
New in High Baseline Support: Oklab and Oklch
-
New in High Baseline Support: Lab and LCH
-
New in High Baseline Support: color()
-
New in High Baseline Support: HWB
-
New in High Baseline Support: RGB
-
New in High Baseline Support: HSL
-
New in Low Baseline Support: HWB
-
New in Low Baseline Support: RGB
-
New in Low Baseline Support: HSL
-
New in High Baseline Support: System colors
-
New in High Baseline Support: Named colors
-
New in High Baseline Support: currentColor
-
New in Low Baseline Support: System colors
-
New in Low Baseline Support: Named colors
-
New in Low Baseline Support: currentColor
๐
container-queries
2 Posts, last update 2026-05-19
๐
containment
14 Posts, last update 2026-03-18
-
New in High Baseline Support: contain-intrinsic-size
-
New in High Baseline Support: Inline-size containment
-
New in High Baseline Support: Style containment
-
New in High Baseline Support: contain
-
New in High Baseline Support: Size containment
-
New in High Baseline Support: Paint containment
-
New in High Baseline Support: Layout containment
-
New in Low Baseline Support: contain-intrinsic-size
-
New in Low Baseline Support: Inline-size containment
-
New in Low Baseline Support: Style containment
-
New in Low Baseline Support: contain
-
New in Low Baseline Support: Size containment
-
New in Low Baseline Support: Paint containment
-
New in Low Baseline Support: Layout containment
๐
counters
3 Posts, last update 2026-03-18
๐
credential-management
2 Posts, last update 2022-07-15
๐
css
97 Posts, last update 2026-03-18
-
New in High Baseline Support: image-set()
-
New in High Baseline Support: Hyphenation
-
New in High Baseline Support: Two-value display property
-
New in Low Baseline Support: @scope
-
New in Low Baseline Support: @scope
-
New in High Baseline Support: calc() keywords
-
New in High Baseline Support: color-mix()
-
New in Low Baseline Support: content-visibility
-
New in High Baseline Support: sin(), cos(), tan(), asin(), acos(), atan(), and atan2() (CSS)
-
New in Low Baseline Support: abs() and sign()
-
New in High Baseline Support: overflow: clip
-
New in High Baseline Support: Motion path
-
New in High Baseline Support: Forced colors
-
New in Low Baseline Support: Relative colors
-
New in Low Baseline Support: content-visibility
-
New in Low Baseline Support: backdrop-filter
-
New in High Baseline Support: Cascade layers
-
New in High Baseline Support: appearance
-
New in Low Baseline Support: @starting-style
-
New in Low Baseline Support: Alt text for generated content
-
New in Low Baseline Support: Vertical form controls
-
New in Low Baseline Support: paint-order
-
New in High Baseline Support: Logical properties
-
New in Low Baseline Support: Nesting
-
New in Low Baseline Support: :dir()
-
New in High Baseline Support: Quotes
-
New in Low Baseline Support: :nth-child() of <selector>
-
New in High Baseline Support: display: table
-
New in High Baseline Support: overflow
-
New in High Baseline Support: display: table
-
New in Low Baseline Support: overflow: clip
-
New in Low Baseline Support: Motion path
-
New in Low Baseline Support: Forced colors
-
New in Low Baseline Support: :modal
-
New in High Baseline Support: will-change
-
New in High Baseline Support: Layout direction override
-
New in High Baseline Support: display: flow-root
-
New in High Baseline Support: CSS.supports()
-
New in Low Baseline Support: Logical properties
-
New in Low Baseline Support: Quotes
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: overflow
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: will-change
-
New in Low Baseline Support: Layout direction override
-
New in Low Baseline Support: display: flow-root
-
New in Low Baseline Support: CSS.supports()
-
New in High Baseline Support: Text stroke and fill (compatibility prefixes)
-
New in High Baseline Support: display: table
-
New in High Baseline Support: writing-mode
-
New in High Baseline Support: filter
-
New in High Baseline Support: @supports
-
New in High Baseline Support: Animations (CSS)
-
New in High Baseline Support: z-index
-
New in High Baseline Support: visibility
-
New in High Baseline Support: vertical-align
-
New in High Baseline Support: Text overflow
-
New in High Baseline Support: style (attribute)
-
New in High Baseline Support: pointer-events
-
New in High Baseline Support: Physical properties
-
New in High Baseline Support: opacity
-
New in High Baseline Support: :nth-child() (initial support)
-
New in High Baseline Support: `@namespace`
-
New in High Baseline Support: @import
-
New in High Baseline Support: float and clear
-
New in High Baseline Support: Display
-
New in High Baseline Support: display: table
-
New in High Baseline Support: display: list-item
-
New in High Baseline Support: Content
-
New in High Baseline Support: Color
-
New in High Baseline Support: @charset
-
New in High Baseline Support: attr() (content only)
-
New in Low Baseline Support: Text stroke and fill (compatibility prefixes)
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: writing-mode
-
New in Low Baseline Support: filter
-
New in Low Baseline Support: @supports
-
New in Low Baseline Support: Animations (CSS)
-
New in Low Baseline Support: z-index
-
New in Low Baseline Support: visibility
-
New in Low Baseline Support: vertical-align
-
New in Low Baseline Support: Text overflow
-
New in Low Baseline Support: style (attribute)
-
New in Low Baseline Support: pointer-events
-
New in Low Baseline Support: Physical properties
-
New in Low Baseline Support: opacity
-
New in Low Baseline Support: :nth-child() (initial support)
-
New in Low Baseline Support: `@namespace`
-
New in Low Baseline Support: @import
-
New in Low Baseline Support: float and clear
-
New in Low Baseline Support: Display
-
New in Low Baseline Support: display: table
-
New in Low Baseline Support: display: list-item
-
New in Low Baseline Support: Content
-
New in Low Baseline Support: Color
-
New in Low Baseline Support: @charset
-
New in Low Baseline Support: attr() (content only)
๐
cssom
6 Posts, last update 2022-07-15
๐
custom-elements
5 Posts, last update 2025-09-27
๐
environment-variables
2 Posts, last update 2022-07-15
๐
explicit-defaults
10 Posts, last update 2023-01-27
-
New in High Baseline Support: revert
-
New in High Baseline Support: all
-
New in Low Baseline Support: revert
-
New in Low Baseline Support: all
-
New in High Baseline Support: unset
-
New in High Baseline Support: initial
-
New in High Baseline Support: inherit
-
New in Low Baseline Support: unset
-
New in Low Baseline Support: initial
-
New in Low Baseline Support: inherit
๐
file-system
5 Posts, last update 2025-09-27
๐
flexbox
4 Posts, last update 2023-10-26
๐
font-features
15 Posts, last update 2023-09-15
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New in Low Baseline Support: font-variant-position
-
New in High Baseline Support: font-variant-numeric
-
New in High Baseline Support: font-variant-ligatures
-
New in High Baseline Support: font-variant-east-asian
-
New in High Baseline Support: font-variant-caps
-
New in High Baseline Support: font-kerning
-
New in Low Baseline Support: font-variant-numeric
-
New in Low Baseline Support: font-variant-ligatures
-
New in Low Baseline Support: font-variant-east-asian
-
New in Low Baseline Support: font-variant-caps
-
New in Low Baseline Support: font-kerning
-
New in High Baseline Support: font-feature-settings
-
New in High Baseline Support: font-variant
-
New in Low Baseline Support: font-feature-settings
-
New in Low Baseline Support: font-variant
๐
font-synthesis
8 Posts, last update 2025-09-27
-
New in High Baseline Support: font-synthesis-weight
-
New in High Baseline Support: font-synthesis-style
-
New in High Baseline Support: font-synthesis-small-caps
-
New in High Baseline Support: font-synthesis
-
New in Low Baseline Support: font-synthesis-weight
-
New in Low Baseline Support: font-synthesis-style
-
New in Low Baseline Support: font-synthesis-small-caps
-
New in Low Baseline Support: font-synthesis
๐
fonts
33 Posts, last update 2025-09-13
-
New in High Baseline Support: font-variant-alternates
-
New in High Baseline Support: font-palette
-
New in Low Baseline Support: font-size-adjust
-
New in Low Baseline Support: font-variant-alternates
-
New in High Baseline Support: font-optical-sizing
-
New in Low Baseline Support: font-palette
-
New in High Baseline Support: font-optical-sizing
-
New in High Baseline Support: font-stretch
-
New in High Baseline Support: font-display
-
New in High Baseline Support: COLRv0
-
New in High Baseline Support: font-optical-sizing
-
New in High Baseline Support: font-variation-settings
-
New in Low Baseline Support: font-optical-sizing
-
New in Low Baseline Support: font-optical-sizing
-
New in High Baseline Support: font-stretch
-
New in Low Baseline Support: font-stretch
-
New in Low Baseline Support: font-display
-
New in Low Baseline Support: COLRv0
-
New in Low Baseline Support: font-optical-sizing
-
New in High Baseline Support: @font-face
-
New in Low Baseline Support: font-variation-settings
-
New in High Baseline Support: font-weight
-
New in High Baseline Support: font-style
-
New in High Baseline Support: font-size
-
New in High Baseline Support: Font shorthand
-
New in High Baseline Support: font-family
-
New in Low Baseline Support: font-stretch
-
New in Low Baseline Support: @font-face
-
New in Low Baseline Support: font-weight
-
New in Low Baseline Support: font-style
-
New in Low Baseline Support: font-size
-
New in Low Baseline Support: Font shorthand
-
New in Low Baseline Support: font-family
๐
forms
62 Posts, last update 2025-09-27
-
New in High Baseline Support: Form-associated custom elements
-
New in Low Baseline Support: <input type="file" webkitdirectory>
-
New in High Baseline Support: Date and time <input> types
-
New in Low Baseline Support: Form-associated custom elements
-
New in Low Baseline Support: :autofill
-
New in High Baseline Support: :read-only and :read-write
-
New in High Baseline Support: :indeterminate
-
New in High Baseline Support: Constraint validation API
-
New in Low Baseline Support: Date and time <input> types
-
New in High Baseline Support: <output>
-
New in High Baseline Support: <meter>
-
New in Low Baseline Support: :read-only and :read-write
-
New in Low Baseline Support: :indeterminate
-
New in High Baseline Support: <input type="range">
-
New in Low Baseline Support: Constraint validation API
-
New in Low Baseline Support: <output>
-
New in Low Baseline Support: <meter>
-
New in High Baseline Support: <textarea>
-
New in High Baseline Support: <select>
-
New in High Baseline Support: <input type="search">
-
New in High Baseline Support: <progress>
-
New in High Baseline Support: <label>
-
New in High Baseline Support: <input>
-
New in High Baseline Support: <input type="submit">
-
New in High Baseline Support: Input selectors
-
New in High Baseline Support: <input type="reset">
-
New in High Baseline Support: <input type="radio">
-
New in High Baseline Support: <input type="password">
-
New in High Baseline Support: <input type="number">
-
New in High Baseline Support: <input type="image">
-
New in High Baseline Support: <input type="hidden">
-
New in High Baseline Support: <input type="file">
-
New in High Baseline Support: <input type="file" multiple>
-
New in High Baseline Support: Email, telephone, and URL <input> types
-
New in High Baseline Support: <input type="checkbox">
-
New in High Baseline Support: <input type="button">
-
New in High Baseline Support: <form>
-
New in High Baseline Support: <fieldset> and <legend>
-
New in High Baseline Support: <button>
-
New in Low Baseline Support: <input type="range">
-
New in Low Baseline Support: <textarea>
-
New in Low Baseline Support: <select>
-
New in Low Baseline Support: <input type="search">
-
New in Low Baseline Support: <progress>
-
New in Low Baseline Support: <label>
-
New in Low Baseline Support: <input>
-
New in Low Baseline Support: <input type="submit">
-
New in Low Baseline Support: Input selectors
-
New in Low Baseline Support: <input type="reset">
-
New in Low Baseline Support: <input type="radio">
-
New in Low Baseline Support: <input type="password">
-
New in Low Baseline Support: <input type="number">
-
New in Low Baseline Support: <input type="image">
-
New in Low Baseline Support: <input type="hidden">
-
New in Low Baseline Support: <input type="file">
-
New in Low Baseline Support: <input type="file" multiple>
-
New in Low Baseline Support: Email, telephone, and URL <input> types
-
New in Low Baseline Support: <input type="checkbox">
-
New in Low Baseline Support: <input type="button">
-
New in Low Baseline Support: <form>
-
New in Low Baseline Support: <fieldset> and <legend>
-
New in Low Baseline Support: <button>
๐
gamepad
2 Posts, last update 2019-09-27
๐
gradients
6 Posts, last update 2025-04-04
๐
grid
8 Posts, last update 2026-03-15
-
New in High Baseline Support: Subgrid
-
New in High Baseline Support: Grid animation
-
New in Low Baseline Support: Subgrid
-
New in High Baseline Support: Grid
-
New in Low Baseline Support: Grid animation
-
New in Low Baseline Support: Grid
-
New in High Baseline Support: Grid
-
New in Low Baseline Support: Grid
๐
html
16 Posts, last update 2026-05-11
-
New in Low Baseline Support: ToggleEvent source
-
New in High Baseline Support: inert
-
New in Low Baseline Support: Popover
-
New in Low Baseline Support: Popover
-
New in Low Baseline Support: Declarative shadow DOM
-
New in Low Baseline Support: Inert elements
-
New in High Baseline Support: tabindex
-
New in High Baseline Support: srcset and sizes
-
New in Low Baseline Support: tabindex
-
New in High Baseline Support: style (attribute)
-
New in High Baseline Support: <ruby>
-
New in High Baseline Support: Description list
-
New in Low Baseline Support: srcset and sizes
-
New in Low Baseline Support: style (attribute)
-
New in Low Baseline Support: <ruby>
-
New in Low Baseline Support: Description list
๐
html-elements
188 Posts, last update 2026-04-13
-
New in High Baseline Support: <search>
-
New in Low Baseline Support: dialog.requestClose()
-
New in High Baseline Support: <dialog>
-
New in Low Baseline Support: Mutually exclusive <details> elements
-
New in High Baseline Support: Date and time <input> types
-
New in Low Baseline Support: <search>
-
New in High Baseline Support: <slot>
-
New in High Baseline Support: <embed>
-
New in High Baseline Support: <details>
-
New in High Baseline Support: <bdi>
-
New in Low Baseline Support: <dialog>
-
New in Low Baseline Support: Date and time <input> types
-
New in High Baseline Support: <output>
-
New in High Baseline Support: <meter>
-
New in High Baseline Support: <time>
-
New in High Baseline Support: <data>
-
New in Low Baseline Support: <slot>
-
New in Low Baseline Support: <embed>
-
New in Low Baseline Support: <details>
-
New in Low Baseline Support: <bdi>
-
New in High Baseline Support: <input type="range">
-
New in Low Baseline Support: <output>
-
New in Low Baseline Support: <meter>
-
New in High Baseline Support: <picture>
-
New in High Baseline Support: <template>
-
New in High Baseline Support: <wbr>
-
New in High Baseline Support: <video>
-
New in High Baseline Support: <var>
-
New in High Baseline Support: <u>
-
New in High Baseline Support: <title>
-
New in High Baseline Support: <textarea>
-
New in High Baseline Support: Text tracks
-
New in High Baseline Support: Tables
-
New in High Baseline Support: <sub> and <sup>
-
New in High Baseline Support: <style>
-
New in High Baseline Support: <strong>
-
New in High Baseline Support: <span>
-
New in High Baseline Support: <source>
-
New in High Baseline Support: <small>
-
New in High Baseline Support: <select>
-
New in High Baseline Support: <section>
-
New in High Baseline Support: <script> and <noscript>
-
New in High Baseline Support: <samp>
-
New in High Baseline Support: <s>
-
New in High Baseline Support: <q>
-
New in High Baseline Support: <progress>
-
New in High Baseline Support: <pre>
-
New in High Baseline Support: <p>
-
New in High Baseline Support: <object>
-
New in High Baseline Support: <nav>
-
New in High Baseline Support: <meta>
-
New in High Baseline Support: <menu>
-
New in High Baseline Support: <mark>
-
New in High Baseline Support: <main>
-
New in High Baseline Support: <ol>, <ul>, and <li>
-
New in High Baseline Support: <link>
-
New in High Baseline Support: <label>
-
New in High Baseline Support: <kbd>
-
New in High Baseline Support: <ins>
-
New in High Baseline Support: <input>
-
New in High Baseline Support: <input type="submit">
-
New in High Baseline Support: <input type="reset">
-
New in High Baseline Support: <input type="radio">
-
New in High Baseline Support: <input type="password">
-
New in High Baseline Support: <input type="number">
-
New in High Baseline Support: <input type="image">
-
New in High Baseline Support: <input type="hidden">
-
New in High Baseline Support: <input type="file">
-
New in High Baseline Support: Email, telephone, and URL <input> types
-
New in High Baseline Support: <input type="checkbox">
-
New in High Baseline Support: <input type="button">
-
New in High Baseline Support: <img>
-
New in High Baseline Support: Image maps
-
New in High Baseline Support: <iframe>
-
New in High Baseline Support: <i>
-
New in High Baseline Support: <html>
-
New in High Baseline Support: <hr>
-
New in High Baseline Support: <hgroup>
-
New in High Baseline Support: <h1> through <h6>
-
New in High Baseline Support: <header> and <footer>
-
New in High Baseline Support: <head>
-
New in High Baseline Support: <figure> and <figcaption>
-
New in High Baseline Support: <fieldset> and <legend>
-
New in High Baseline Support: <em>
-
New in High Baseline Support: <div>
-
New in High Baseline Support: <dfn>
-
New in High Baseline Support: <del>
-
New in High Baseline Support: Console
-
New in High Baseline Support: <code>
-
New in High Baseline Support: <cite>
-
New in High Baseline Support: <canvas>
-
New in High Baseline Support: <button>
-
New in High Baseline Support: <br>
-
New in High Baseline Support: <body>
-
New in High Baseline Support: <blockquote>
-
New in High Baseline Support: <bdo>
-
New in High Baseline Support: <base>
-
New in High Baseline Support: <b>
-
New in High Baseline Support: <audio>
-
New in High Baseline Support: <aside>
-
New in High Baseline Support: <article>
-
New in High Baseline Support: <address>
-
New in High Baseline Support: <abbr>
-
New in High Baseline Support: <a>
-
New in Low Baseline Support: <time>
-
New in Low Baseline Support: <data>
-
New in Low Baseline Support: <input type="range">
-
New in Low Baseline Support: <picture>
-
New in Low Baseline Support: <template>
-
New in Low Baseline Support: <wbr>
-
New in Low Baseline Support: <video>
-
New in Low Baseline Support: <var>
-
New in Low Baseline Support: <u>
-
New in Low Baseline Support: <title>
-
New in Low Baseline Support: <textarea>
-
New in Low Baseline Support: Text tracks
-
New in Low Baseline Support: Tables
-
New in Low Baseline Support: <sub> and <sup>
-
New in Low Baseline Support: <style>
-
New in Low Baseline Support: <strong>
-
New in Low Baseline Support: <span>
-
New in Low Baseline Support: <source>
-
New in Low Baseline Support: <small>
-
New in Low Baseline Support: <select>
-
New in Low Baseline Support: <section>
-
New in Low Baseline Support: <script> and <noscript>
-
New in Low Baseline Support: <samp>
-
New in Low Baseline Support: <s>
-
New in Low Baseline Support: <q>
-
New in Low Baseline Support: <progress>
-
New in Low Baseline Support: <pre>
-
New in Low Baseline Support: <p>
-
New in Low Baseline Support: <object>
-
New in Low Baseline Support: <nav>
-
New in Low Baseline Support: <meta>
-
New in Low Baseline Support: <menu>
-
New in Low Baseline Support: <mark>
-
New in Low Baseline Support: <main>
-
New in Low Baseline Support: <ol>, <ul>, and <li>
-
New in Low Baseline Support: <link>
-
New in Low Baseline Support: <label>
-
New in Low Baseline Support: <kbd>
-
New in Low Baseline Support: <ins>
-
New in Low Baseline Support: <input>
-
New in Low Baseline Support: <input type="submit">
-
New in Low Baseline Support: <input type="reset">
-
New in Low Baseline Support: <input type="radio">
-
New in Low Baseline Support: <input type="password">
-
New in Low Baseline Support: <input type="number">
-
New in Low Baseline Support: <input type="image">
-
New in Low Baseline Support: <input type="hidden">
-
New in Low Baseline Support: <input type="file">
-
New in Low Baseline Support: Email, telephone, and URL <input> types
-
New in Low Baseline Support: <input type="checkbox">
-
New in Low Baseline Support: <input type="button">
-
New in Low Baseline Support: <img>
-
New in Low Baseline Support: Image maps
-
New in Low Baseline Support: <iframe>
-
New in Low Baseline Support: <i>
-
New in Low Baseline Support: <html>
-
New in Low Baseline Support: <hr>
-
New in Low Baseline Support: <hgroup>
-
New in Low Baseline Support: <h1> through <h6>
-
New in Low Baseline Support: <header> and <footer>
-
New in Low Baseline Support: <head>
-
New in Low Baseline Support: <figure> and <figcaption>
-
New in Low Baseline Support: <fieldset> and <legend>
-
New in Low Baseline Support: <em>
-
New in Low Baseline Support: <div>
-
New in Low Baseline Support: <dfn>
-
New in Low Baseline Support: <del>
-
New in Low Baseline Support: Console
-
New in Low Baseline Support: <code>
-
New in Low Baseline Support: <cite>
-
New in Low Baseline Support: <canvas>
-
New in Low Baseline Support: <button>
-
New in Low Baseline Support: <br>
-
New in Low Baseline Support: <body>
-
New in Low Baseline Support: <blockquote>
-
New in Low Baseline Support: <bdo>
-
New in Low Baseline Support: <base>
-
New in Low Baseline Support: <b>
-
New in Low Baseline Support: <audio>
-
New in Low Baseline Support: <aside>
-
New in Low Baseline Support: <article>
-
New in Low Baseline Support: <address>
-
New in Low Baseline Support: <abbr>
-
New in Low Baseline Support: <a>
๐
image-scaling
3 Posts, last update 2026-05-07
๐
images
2 Posts, last update 2022-10-13
๐
integrity
2 Posts, last update 2020-10-30
๐
intl
14 Posts, last update 2025-03-04
-
New in Low Baseline Support: Intl.DurationFormat
-
New in Low Baseline Support: Intl.Segmenter
-
New in High Baseline Support: Intl.ListFormat
-
New in High Baseline Support: Intl.DisplayNames
-
New in High Baseline Support: Intl.RelativeTimeFormat
-
New in High Baseline Support: Intl.Locale
-
New in High Baseline Support: Intl.PluralRules
-
New in Low Baseline Support: Intl.ListFormat
-
New in Low Baseline Support: Intl.DisplayNames
-
New in Low Baseline Support: Intl.RelativeTimeFormat
-
New in Low Baseline Support: Intl.Locale
-
New in High Baseline Support: Intl
-
New in Low Baseline Support: Intl.PluralRules
-
New in Low Baseline Support: Intl
๐
iterators
10 Posts, last update 2026-03-24
-
New in Low Baseline Support: Iterator.concat()
-
New in Low Baseline Support: Iterator methods
-
New in High Baseline Support: Async iterators and the for await..of loop
-
New in High Baseline Support: Array iterators
-
New in Low Baseline Support: Async iterators and the for await..of loop
-
New in High Baseline Support: Typed array iterators
-
New in Low Baseline Support: Array iterators
-
New in High Baseline Support: Iterators and the for...of loop
-
New in Low Baseline Support: Typed array iterators
-
New in Low Baseline Support: Iterators and the for...of loop
๐
javascript
54 Posts, last update 2026-04-10
-
New in Low Baseline Support: Math.sumPrecise()
-
New in Low Baseline Support: Atomics.waitAsync
-
New in High Baseline Support: SharedArrayBuffer and Atomics
-
New in High Baseline Support: Top-level await
-
New in High Baseline Support: BigInt64Array
-
New in High Baseline Support: Weak references
-
New in High Baseline Support: Nullish coalescing
-
New in High Baseline Support: Logical assignments
-
New in High Baseline Support: BigInt
-
New in High Baseline Support: Numeric separators
-
New in High Baseline Support: Numeric separators
-
New in High Baseline Support: Hashbang comments
-
New in High Baseline Support: Template literals
-
New in High Baseline Support: Spread syntax
-
New in High Baseline Support: Optional catch binding
-
New in High Baseline Support: globalThis
-
New in High Baseline Support: Destructuring
-
New in High Baseline Support: Async generators
-
New in Low Baseline Support: SharedArrayBuffer and Atomics
-
New in Low Baseline Support: Top-level await
-
New in Low Baseline Support: BigInt64Array
-
New in Low Baseline Support: Weak references
-
New in Low Baseline Support: Nullish coalescing
-
New in Low Baseline Support: Logical assignments
-
New in Low Baseline Support: BigInt
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: Numeric separators
-
New in Low Baseline Support: Hashbang comments
-
New in Low Baseline Support: Template literals
-
New in Low Baseline Support: Spread syntax
-
New in Low Baseline Support: Optional catch binding
-
New in Low Baseline Support: globalThis
-
New in Low Baseline Support: Destructuring
-
New in Low Baseline Support: Async generators
-
New in High Baseline Support: Async functions
-
New in High Baseline Support: Exponentiation operator
-
New in High Baseline Support: Classes
-
New in High Baseline Support: Proxy and Reflect
-
New in High Baseline Support: Let and const
-
New in High Baseline Support: Generators
-
New in High Baseline Support: Classes
-
New in High Baseline Support: Unicode point escapes
-
New in High Baseline Support: JavaScript (initial core language support)
-
New in High Baseline Support: Functions
-
New in Low Baseline Support: Async functions
-
New in Low Baseline Support: Exponentiation operator
-
New in Low Baseline Support: Classes
-
New in Low Baseline Support: Proxy and Reflect
-
New in Low Baseline Support: Let and const
-
New in Low Baseline Support: Generators
-
New in Low Baseline Support: Classes
-
New in Low Baseline Support: Unicode point escapes
-
New in Low Baseline Support: JavaScript (initial core language support)
-
New in Low Baseline Support: Functions
๐
js-modules
6 Posts, last update 2026-05-05
-
New in Low Baseline Support: JavaScript modules in shared workers
-
New in Low Baseline Support: JavaScript modules in service workers
-
New in High Baseline Support: JavaScript modules in workers
-
New in Low Baseline Support: JavaScript modules in workers
-
New in High Baseline Support: JavaScript modules
-
New in Low Baseline Support: JavaScript modules
๐
json
4 Posts, last update 2025-04-29
๐
layout
16 Posts, last update 2024-12-11
-
New in Low Baseline Support: Page setup
-
New in High Baseline Support: fit-content
-
New in Low Baseline Support: align-content in block layouts
-
New in High Baseline Support: min-content and max-content
-
New in Low Baseline Support: fit-content
-
New in High Baseline Support: Page breaks
-
New in Low Baseline Support: min-content and max-content
-
New in Low Baseline Support: Page breaks
-
New in High Baseline Support: Width and height
-
New in High Baseline Support: padding
-
New in High Baseline Support: margin
-
New in High Baseline Support: box-sizing
-
New in Low Baseline Support: Width and height
-
New in Low Baseline Support: padding
-
New in Low Baseline Support: margin
-
New in Low Baseline Support: box-sizing
๐
lists
4 Posts, last update 2018-01-29
๐
maps
4 Posts, last update 2026-02-14
๐
media-elements
10 Posts, last update 2024-10-29
-
New in Low Baseline Support: requestVideoFrameCallback()
-
New in Low Baseline Support: preservesPitch
-
New in High Baseline Support: <video>
-
New in High Baseline Support: Text tracks
-
New in High Baseline Support: <source>
-
New in High Baseline Support: <audio>
-
New in Low Baseline Support: <video>
-
New in Low Baseline Support: Text tracks
-
New in Low Baseline Support: <source>
-
New in Low Baseline Support: <audio>
๐
media-queries
24 Posts, last update 2026-03-18
-
New in High Baseline Support: Update frequency media query
-
New in High Baseline Support: Overflow media queries
-
New in High Baseline Support: Media query range syntax
-
New in High Baseline Support: color-gamut media query
-
New in High Baseline Support: resolution media query
-
New in High Baseline Support: prefers-contrast media query
-
New in High Baseline Support: dynamic-range media query
-
New in Low Baseline Support: scripting media query
-
New in Low Baseline Support: Update frequency media query
-
New in Low Baseline Support: Overflow media queries
-
New in Low Baseline Support: display-mode media query
-
New in Low Baseline Support: color-gamut media query
-
New in High Baseline Support: prefers-reduced-motion media query
-
New in Low Baseline Support: prefers-contrast media query
-
New in Low Baseline Support: dynamic-range media query
-
New in High Baseline Support: Interaction media queries
-
New in High Baseline Support: resolution media query (compatibility prefixes)
-
New in Low Baseline Support: prefers-reduced-motion media query
-
New in High Baseline Support: @supports (compatibility prefix)
-
New in Low Baseline Support: Interaction media queries
-
New in Low Baseline Support: resolution media query (compatibility prefixes)
-
New in High Baseline Support: Media queries
-
New in Low Baseline Support: @supports (compatibility prefix)
-
New in Low Baseline Support: Media queries
๐
messaging
7 Posts, last update 2025-09-27
-
New in High Baseline Support: messageerror
-
New in High Baseline Support: Server-sent events
-
New in Low Baseline Support: Server-sent events
-
New in High Baseline Support: Channel messaging
-
New in High Baseline Support: postMessage
-
New in Low Baseline Support: Channel messaging
-
New in Low Baseline Support: postMessage
๐
multi-column
6 Posts, last update 2023-01-28
๐
parsing-and-serialization
4 Posts, last update 2018-09-21
๐
performance
10 Posts, last update 2025-12-12
-
New in Low Baseline Support: Largest contentful paint (LCP)
-
New in Low Baseline Support: Event timing
-
New in High Baseline Support: Server timing
-
New in High Baseline Support: Resource size
-
New in High Baseline Support: Navigation timing
-
New in High Baseline Support: Paint timing
-
New in Low Baseline Support: Navigation timing
-
New in Low Baseline Support: Paint timing
-
New in High Baseline Support: Performance
-
New in Low Baseline Support: Performance
๐
positioning
10 Posts, last update 2018-01-29
-
New in High Baseline Support: Static positioning
-
New in High Baseline Support: Relative positioning
-
New in High Baseline Support: Position
-
New in High Baseline Support: Fixed positioning
-
New in High Baseline Support: Absolute positioning
-
New in Low Baseline Support: Static positioning
-
New in Low Baseline Support: Relative positioning
-
New in Low Baseline Support: Position
-
New in Low Baseline Support: Fixed positioning
-
New in Low Baseline Support: Absolute positioning
๐
primitive-types
8 Posts, last update 2018-03-30
-
New in High Baseline Support: Symbol
-
New in High Baseline Support: String (initial support)
-
New in High Baseline Support: Math and numbers
-
New in High Baseline Support: Date
-
New in Low Baseline Support: Symbol
-
New in Low Baseline Support: String (initial support)
-
New in Low Baseline Support: Math and numbers
-
New in Low Baseline Support: Date
๐
print
6 Posts, last update 2025-12-06
๐
promises
10 Posts, last update 2025-01-07
-
New in Low Baseline Support: Promise.try()
-
New in Low Baseline Support: Promise.withResolvers()
-
New in High Baseline Support: Promise.any()
-
New in High Baseline Support: Promise.allSettled()
-
New in High Baseline Support: Promise finally()
-
New in Low Baseline Support: Promise.any()
-
New in Low Baseline Support: Promise.allSettled()
-
New in Low Baseline Support: Promise finally()
-
New in High Baseline Support: Promise (initial support)
-
New in Low Baseline Support: Promise (initial support)
๐
reporting
1 Posts, last update 2026-03-24
๐
resource-timing
3 Posts, last update 2023-03-27
๐
ruby
2 Posts, last update 2024-12-11
๐
scrolling
15 Posts, last update 2025-12-12
-
New in Low Baseline Support: scrollend
-
New in Low Baseline Support: scrollbar-color
-
New in High Baseline Support: overscroll-behavior
-
New in Low Baseline Support: scrollbar-width
-
New in Low Baseline Support: scrollbar-gutter
-
New in Low Baseline Support: Scroll to text fragment
-
New in High Baseline Support: scroll-behavior
-
New in High Baseline Support: scrollIntoView()
-
New in Low Baseline Support: overscroll-behavior
-
New in High Baseline Support: Scroll snap
-
New in High Baseline Support: scrollIntoView()
-
New in Low Baseline Support: scroll-behavior
-
New in Low Baseline Support: scrollIntoView()
-
New in Low Baseline Support: Scroll snap
-
New in Low Baseline Support: scrollIntoView()
๐
security
13 Posts, last update 2026-05-21
-
New in High Baseline Support: User activation
-
New in Low Baseline Support: Trusted types
-
New in High Baseline Support: Permissions
-
New in High Baseline Support: Mixed content handling
-
New in High Baseline Support: Upgrade insecure requests
-
New in Low Baseline Support: Mixed content handling
-
New in High Baseline Support: Content Security Policy (CSP)
-
New in Low Baseline Support: Upgrade insecure requests
-
New in High Baseline Support: HTTP Strict Transport Security
-
New in High Baseline Support: CORS
-
New in Low Baseline Support: Content Security Policy (CSP)
-
New in Low Baseline Support: HTTP Strict Transport Security
-
New in Low Baseline Support: CORS
๐
selection
3 Posts, last update 2025-08-19
๐
selectors
53 Posts, last update 2026-05-11
-
New in Low Baseline Support: :open
-
New in High Baseline Support: :user-valid and :user-invalid
-
New in Low Baseline Support: Active view transition
-
New in High Baseline Support: :nth-child() of <selector>
-
New in Low Baseline Support: ::details-content
-
New in High Baseline Support: :modal
-
New in High Baseline Support: :focus-visible
-
New in High Baseline Support: ::backdrop
-
New in High Baseline Support: ::file-selector-button
-
New in High Baseline Support: :not
-
New in High Baseline Support: Shadow parts
-
New in High Baseline Support: :scope (pseudo-class)
-
New in High Baseline Support: ::placeholder
-
New in High Baseline Support: :placeholder-shown
-
New in High Baseline Support: Link selectors
-
New in High Baseline Support: Host
-
New in High Baseline Support: :focus-within
-
New in High Baseline Support: Case-insensitive attribute selector
-
New in Low Baseline Support: ::backdrop
-
New in Low Baseline Support: ::file-selector-button
-
New in Low Baseline Support: :not
-
New in Low Baseline Support: Shadow parts
-
New in Low Baseline Support: :scope (pseudo-class)
-
New in Low Baseline Support: ::placeholder
-
New in Low Baseline Support: :placeholder-shown
-
New in Low Baseline Support: Link selectors
-
New in Low Baseline Support: Host
-
New in Low Baseline Support: :focus-within
-
New in Low Baseline Support: Case-insensitive attribute selector
-
New in High Baseline Support: User action pseudo-classes
-
New in High Baseline Support: :target
-
New in High Baseline Support: Selectors (core)
-
New in High Baseline Support: :root
-
New in High Baseline Support: :nth-of-type() pseudo-classes
-
New in High Baseline Support: `@namespace`
-
New in High Baseline Support: :lang()
-
New in High Baseline Support: Input selectors
-
New in High Baseline Support: Form validity pseudo-classes
-
New in High Baseline Support: ::first-line
-
New in High Baseline Support: ::first-letter
-
New in High Baseline Support: :empty
-
New in Low Baseline Support: User action pseudo-classes
-
New in Low Baseline Support: :target
-
New in Low Baseline Support: Selectors (core)
-
New in Low Baseline Support: :root
-
New in Low Baseline Support: :nth-of-type() pseudo-classes
-
New in Low Baseline Support: `@namespace`
-
New in Low Baseline Support: :lang()
-
New in Low Baseline Support: Input selectors
-
New in Low Baseline Support: Form validity pseudo-classes
-
New in Low Baseline Support: ::first-line
-
New in Low Baseline Support: ::first-letter
-
New in Low Baseline Support: :empty
๐
sensors
2 Posts, last update 2026-03-18
๐
sets
3 Posts, last update 2024-06-11
๐
speech
2 Posts, last update 2021-03-05
๐
storage
4 Posts, last update 2026-03-18
๐
streams
3 Posts, last update 2026-03-24
๐
string
24 Posts, last update 2026-04-24
-
New in High Baseline Support: String isWellFormed() and toWellFormed()
-
New in High Baseline Support: String at()
-
New in Low Baseline Support: String isWellFormed() and toWellFormed()
-
New in High Baseline Support: String replaceAll()
-
New in High Baseline Support: String trimStart() and trimEnd()
-
New in High Baseline Support: String matchAll()
-
New in Low Baseline Support: String at()
-
New in Low Baseline Support: String replaceAll()
-
New in Low Baseline Support: String trimStart() and trimEnd()
-
New in Low Baseline Support: String matchAll()
-
New in High Baseline Support: String padStart() and padEnd()
-
New in High Baseline Support: String normalize()
-
New in High Baseline Support: String startsWith() and endsWith()
-
New in High Baseline Support: String repeat()
-
New in High Baseline Support: String raw()
-
New in High Baseline Support: String includes()
-
New in High Baseline Support: String codePointAt() and fromCodePoint()
-
New in Low Baseline Support: String padStart() and padEnd()
-
New in Low Baseline Support: String normalize()
-
New in Low Baseline Support: String startsWith() and endsWith()
-
New in Low Baseline Support: String repeat()
-
New in Low Baseline Support: String raw()
-
New in Low Baseline Support: String includes()
-
New in Low Baseline Support: String codePointAt() and fromCodePoint()
๐
svg
10 Posts, last update 2023-01-28
-
New in High Baseline Support: Opacity (SVG)
-
New in High Baseline Support: Opacity (SVG)
-
New in High Baseline Support: SVG
-
New in High Baseline Support: SMIL SVG animations
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: Opacity (SVG)
-
New in Low Baseline Support: SVG
-
New in Low Baseline Support: SMIL SVG animations
-
New in High Baseline Support: SVG filters
-
New in Low Baseline Support: SVG filters
๐
text
33 Posts, last update 2026-03-24
-
New in Low Baseline Support: baseline-shift
-
New in Low Baseline Support: text-indent: hanging
-
New in Low Baseline Support: text-indent: each-line
-
New in High Baseline Support: text-align-last
-
New in High Baseline Support: text-combine-upright
-
New in High Baseline Support: Text underline position
-
New in High Baseline Support: text-underline-offset
-
New in High Baseline Support: text-orientation
-
New in High Baseline Support: text-underline-position
-
New in High Baseline Support: dominant-baseline
-
New in High Baseline Support: dominant-baseline
-
New in Low Baseline Support: text-align-last
-
New in High Baseline Support: dominant-baseline
-
New in Low Baseline Support: text-combine-upright
-
New in Low Baseline Support: Text underline position
-
New in Low Baseline Support: text-underline-offset
-
New in Low Baseline Support: text-orientation
-
New in Low Baseline Support: text-underline-position
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: dominant-baseline
-
New in Low Baseline Support: dominant-baseline
-
New in High Baseline Support: word-spacing
-
New in High Baseline Support: text-transform
-
New in High Baseline Support: text-shadow
-
New in High Baseline Support: text-align
-
New in High Baseline Support: line-height
-
New in High Baseline Support: letter-spacing
-
New in Low Baseline Support: word-spacing
-
New in Low Baseline Support: text-transform
-
New in Low Baseline Support: text-shadow
-
New in Low Baseline Support: text-align
-
New in Low Baseline Support: line-height
-
New in Low Baseline Support: letter-spacing
๐
text-fragments
2 Posts, last update 2024-12-11
๐
text-wrap
12 Posts, last update 2026-03-18
-
New in High Baseline Support: Hyphenate character
-
New in Low Baseline Support: text-wrap
-
New in Low Baseline Support: text-wrap: stable
-
New in Low Baseline Support: text-wrap-mode
-
New in Low Baseline Support: text-wrap
-
New in Low Baseline Support: Hyphenate character
-
New in High Baseline Support: line-break
-
New in High Baseline Support: overflow-wrap
-
New in Low Baseline Support: line-break
-
New in Low Baseline Support: overflow-wrap
-
New in High Baseline Support: word-break
-
New in Low Baseline Support: word-break
๐
transforms
6 Posts, last update 2025-02-05
๐
transitions
6 Posts, last update 2023-03-16
๐
typed-arrays
27 Posts, last update 2026-01-04
-
New in High Baseline Support: Array by copy
-
New in Low Baseline Support: Uint8Array base64 and hex conversion
-
New in Low Baseline Support: Float16Array
-
New in Low Baseline Support: Float16Array
-
New in High Baseline Support: Array findLast() and findLastIndex()
-
New in High Baseline Support: Array at()
-
New in Low Baseline Support: Array by copy
-
New in Low Baseline Support: Array findLast() and findLastIndex()
-
New in Low Baseline Support: Array at()
-
New in High Baseline Support: Typed array iterators
-
New in High Baseline Support: Typed array iteration methods
-
New in High Baseline Support: Array.of()
-
New in High Baseline Support: Array includes()
-
New in High Baseline Support: Array.from()
-
New in High Baseline Support: Array find() and findIndex()
-
New in High Baseline Support: Array fill()
-
New in High Baseline Support: Array copyWithin()
-
New in High Baseline Support: Typed arrays (initial support)
-
New in Low Baseline Support: Typed array iterators
-
New in Low Baseline Support: Typed array iteration methods
-
New in Low Baseline Support: Array.of()
-
New in Low Baseline Support: Array includes()
-
New in Low Baseline Support: Array.from()
-
New in Low Baseline Support: Array find() and findIndex()
-
New in Low Baseline Support: Array fill()
-
New in Low Baseline Support: Array copyWithin()
-
New in Low Baseline Support: Typed arrays (initial support)
๐
units
18 Posts, last update 2026-05-21
-
New in High Baseline Support: rlh unit
-
New in High Baseline Support: lh unit
-
New in Low Baseline Support: ric unit
-
New in Low Baseline Support: rex unit
-
New in Low Baseline Support: rch unit
-
New in Low Baseline Support: rcap unit
-
New in High Baseline Support: ic unit
-
New in Low Baseline Support: rlh unit
-
New in High Baseline Support: Q unit
-
New in Low Baseline Support: Q unit
-
New in High Baseline Support: rem
-
New in High Baseline Support: ex unit
-
New in High Baseline Support: em unit
-
New in High Baseline Support: ch unit
-
New in Low Baseline Support: rem
-
New in Low Baseline Support: ex unit
-
New in Low Baseline Support: em unit
-
New in Low Baseline Support: ch unit
๐
view-transitions
3 Posts, last update 2026-01-13
๐
web-audio
6 Posts, last update 2023-10-26
๐
web-components
14 Posts, last update 2025-09-27
-
New in High Baseline Support: Imperative slot assignment
-
New in Low Baseline Support: Selection composed ranges
-
New in Low Baseline Support: Declarative shadow DOM
-
New in Low Baseline Support: Imperative slot assignment
-
New in High Baseline Support: Shadow parts
-
New in High Baseline Support: <slot>
-
New in High Baseline Support: Shadow DOM
-
New in High Baseline Support: Host
-
New in Low Baseline Support: Shadow parts
-
New in Low Baseline Support: <slot>
-
New in Low Baseline Support: Shadow DOM
-
New in Low Baseline Support: Host
-
New in High Baseline Support: <template>
-
New in Low Baseline Support: <template>
๐
webassembly
26 Posts, last update 2026-02-24
-
New in Low Baseline Support: Branch hinting (WebAssembly)
-
New in High Baseline Support: Fixed-width SIMD (WebAssembly)
-
New in Low Baseline Support: Tail call optimization (WebAssembly)
-
New in Low Baseline Support: Garbage collection (WebAssembly)
-
New in High Baseline Support: Exception handling (WebAssembly)
-
New in Low Baseline Support: Typed function references (WebAssembly)
-
New in High Baseline Support: Threads and atomics (WebAssembly)
-
New in High Baseline Support: Reference types (WebAssembly)
-
New in High Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
-
New in High Baseline Support: Bulk memory operations (WebAssembly)
-
New in Low Baseline Support: Extended constant expressions (WebAssembly)
-
New in High Baseline Support: Sign extension operators (WebAssembly)
-
New in High Baseline Support: BigInt to i64 conversion (WebAssembly)
-
New in High Baseline Support: Multi-value (WebAssembly)
-
New in High Baseline Support: Import and export of mutable globals (WebAssembly)
-
New in Low Baseline Support: Exception handling (WebAssembly)
-
New in Low Baseline Support: Threads and atomics (WebAssembly)
-
New in Low Baseline Support: Reference types (WebAssembly)
-
New in Low Baseline Support: Non-trapping float-to-int conversion (WebAssembly)
-
New in Low Baseline Support: Bulk memory operations (WebAssembly)
-
New in Low Baseline Support: Sign extension operators (WebAssembly)
-
New in Low Baseline Support: BigInt to i64 conversion (WebAssembly)
-
New in Low Baseline Support: Multi-value (WebAssembly)
-
New in High Baseline Support: WebAssembly
-
New in Low Baseline Support: Import and export of mutable globals (WebAssembly)
-
New in Low Baseline Support: WebAssembly
๐
webauthn
1 Posts, last update 2026-04-24
๐
webgl
4 Posts, last update 2024-10-29
๐
webgl-extensions
39 Posts, last update 2025-06-13
-
New in High Baseline Support: OES_draw_buffers_indexed WebGL extension
-
New in High Baseline Support: WEBGL_color_buffer_float WebGL extension
-
New in High Baseline Support: EXT_color_buffer_float WebGL extension
-
New in High Baseline Support: OES_fbo_render_mipmap WebGL extension
-
New in High Baseline Support: WEBGL_debug_shaders WebGL extension
-
New in High Baseline Support: EXT_color_buffer_half_float WebGL extension
-
New in High Baseline Support: EXT_sRGB WebGL extension
-
New in High Baseline Support: WEBGL_compressed_texture_astc WebGL extension
-
New in Low Baseline Support: WEBGL_color_buffer_float WebGL extension
-
New in Low Baseline Support: EXT_color_buffer_float WebGL extension
-
New in Low Baseline Support: OES_fbo_render_mipmap WebGL extension
-
New in High Baseline Support: WEBGL_lose_context WebGL extension
-
New in High Baseline Support: OES_vertex_array_object WebGL extension
-
New in High Baseline Support: EXT_blend_minmax WebGL extension
-
New in Low Baseline Support: WEBGL_debug_shaders WebGL extension
-
New in Low Baseline Support: EXT_color_buffer_half_float WebGL extension
-
New in Low Baseline Support: EXT_sRGB WebGL extension
-
New in Low Baseline Support: WEBGL_compressed_texture_astc WebGL extension
-
New in High Baseline Support: WEBGL_debug_renderer_info WebGL extension
-
New in High Baseline Support: OES_texture_half_float WebGL extension
-
New in High Baseline Support: EXT_texture_filter_anisotropic WebGL extension
-
New in High Baseline Support: ANGLE_instanced_arrays WebGL extension
-
New in Low Baseline Support: WEBGL_lose_context WebGL extension
-
New in Low Baseline Support: OES_vertex_array_object WebGL extension
-
New in Low Baseline Support: EXT_blend_minmax WebGL extension
-
New in High Baseline Support: WEBGL_depth_texture WebGL extension
-
New in High Baseline Support: OES_texture_float WebGL extension
-
New in High Baseline Support: OES_texture_float_linear WebGL extension
-
New in High Baseline Support: OES_standard_derivatives WebGL extension
-
New in High Baseline Support: OES_element_index_uint WebGL extension
-
New in Low Baseline Support: WEBGL_debug_renderer_info WebGL extension
-
New in Low Baseline Support: OES_texture_half_float WebGL extension
-
New in Low Baseline Support: EXT_texture_filter_anisotropic WebGL extension
-
New in Low Baseline Support: ANGLE_instanced_arrays WebGL extension
-
New in Low Baseline Support: WEBGL_depth_texture WebGL extension
-
New in Low Baseline Support: OES_texture_float WebGL extension
-
New in Low Baseline Support: OES_texture_float_linear WebGL extension
-
New in Low Baseline Support: OES_standard_derivatives WebGL extension
-
New in Low Baseline Support: OES_element_index_uint WebGL extension
๐
webrtc
7 Posts, last update 2025-11-09
-
New in High Baseline Support: WebRTC SCTP information
-
New in Low Baseline Support: WebRTC encoded transform
-
New in Low Baseline Support: WebRTC SCTP information
-
New in High Baseline Support: WebRTC
-
New in High Baseline Support: WebRTC statistics
-
New in Low Baseline Support: WebRTC
-
New in Low Baseline Support: WebRTC statistics
๐
white-space
6 Posts, last update 2024-10-17
๐
workers
7 Posts, last update 2026-05-05
-
New in Low Baseline Support: Shared worker
-
New in Low Baseline Support: JavaScript modules in shared workers
-
New in Low Baseline Support: JavaScript modules in service workers
-
New in High Baseline Support: JavaScript modules in workers
-
New in High Baseline Support: requestAnimationFrame() in workers
-
New in High Baseline Support: Dedicated workers
-
New in Low Baseline Support: Dedicated workers