🏠 New in High Baseline Support: Object
January 29, 2018
Objects in JavaScript are collections of key-value pairs.
Source features
javascript.builtins.Object[mdn]javascript.builtins.Object.Object[mdn]javascript.builtins.Object.constructor[mdn]javascript.builtins.Object.toString[mdn]javascript.builtins.Object.valueOf[mdn]javascript.operators.object_initializer[mdn]javascript.builtins.Object.hasOwnProperty[mdn]javascript.builtins.Object.isPrototypeOf[mdn]javascript.builtins.Object.propertyIsEnumerable[mdn]javascript.builtins.Object.getPrototypeOf[mdn]javascript.builtins.Object.create[mdn]javascript.builtins.Object.defineProperties[mdn]javascript.builtins.Object.getOwnPropertyDescriptor[mdn]javascript.builtins.Object.getOwnPropertyNames[mdn]javascript.builtins.Object.keys[mdn]javascript.builtins.Object.defineProperty[mdn]javascript.builtins.Object.freeze[mdn]javascript.builtins.Object.isExtensible[mdn]javascript.builtins.Object.isFrozen[mdn]javascript.builtins.Object.isSealed[mdn]javascript.builtins.Object.preventExtensions[mdn]javascript.builtins.Object.seal[mdn]javascript.builtins.Object.is[mdn]javascript.builtins.Object.setPrototypeOf[mdn]javascript.builtins.Object.getOwnPropertySymbols[mdn]javascript.grammar.shorthand_object_literals[mdn]javascript.builtins.Object.preventExtensions.ES2015_behavior[mdn]javascript.builtins.Object.assign[mdn]javascript.operators.object_initializer.shorthand_property_names[mdn]javascript.operators.object_initializer.computed_property_names[mdn]javascript.operators.object_initializer.shorthand_method_names[mdn]javascript.builtins.Object.entries[mdn]javascript.builtins.Object.values[mdn]javascript.builtins.Object.getOwnPropertyDescriptors[mdn]javascript.operators.object_initializer.spread_properties[mdn]javascript.builtins.Object.fromEntries[mdn]javascript.operators.optional_chaining[mdn]javascript.builtins.Object.hasOwn[mdn]