Jekyll2026-05-24T01:11:00+00:00https://rixx.github.io/baseline-updates/feed/by_tag/json.xmlBaseline UpdatesUpdates to the Baseline collection. Including RSS feeds (both for all updates and individual tags).New in Low Baseline Support: JSON import attributes2025-04-29T00:00:00+00:002025-04-29T00:00:00+00:00https://rixx.github.io/baseline-updates/2025/04/29/json-modulescaniuse · mdn · spec

Module import … with { type: "json" } statements load JSON data. Also known as JSON module scripts.

Source features

  • javascript.grammar.trailing_commas.trailing_commas_in_dynamic_import [mdn]
  • javascript.statements.import.import_attributes.type_json [mdn]
]]>New in Low Baseline Support: JSON source text access2025-03-31T00:00:00+00:002025-03-31T00:00:00+00:00https://rixx.github.io/baseline-updates/2025/03/31/json-rawcaniuse · mdn · spec

To serialize and parse JSON in a lossless way, JSON.stringify() handles rawJSON values and JSON.parse()’s reviver callback takes a source context parameter.

Source features

  • javascript.builtins.JSON.isRawJSON [mdn]
  • javascript.builtins.JSON.parse.reviver_parameter_context_argument [mdn]
  • javascript.builtins.JSON.rawJSON [mdn]
]]>New in High Baseline Support: JSON2018-01-29T00:00:00+00:002018-01-29T00:00:00+00:00https://rixx.github.io/baseline-updates/2018/01/29/jsoncaniuse · mdn · spec

The JSON API provides static methods for parsing values from and converting values to JavaScript Object Notation (JSON), a serialization format for objects, arrays, numbers, strings, Boolean values, and null.

Source features

  • javascript.builtins.JSON [mdn]
  • javascript.builtins.JSON.parse [mdn]
  • javascript.builtins.JSON.stringify [mdn]
  • javascript.builtins.JSON.json_superset [mdn]
  • javascript.builtins.JSON.stringify.well_formed_stringify [mdn]
]]>New in Low Baseline Support: JSON2015-07-29T00:00:00+00:002015-07-29T00:00:00+00:00https://rixx.github.io/baseline-updates/2015/07/29/jsoncaniuse · mdn · spec

The JSON API provides static methods for parsing values from and converting values to JavaScript Object Notation (JSON), a serialization format for objects, arrays, numbers, strings, Boolean values, and null.

Source features

  • javascript.builtins.JSON [mdn]
  • javascript.builtins.JSON.parse [mdn]
  • javascript.builtins.JSON.stringify [mdn]
  • javascript.builtins.JSON.json_superset [mdn]
  • javascript.builtins.JSON.stringify.well_formed_stringify [mdn]
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