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New features in Firefox 135 (released on 2025-02-04)

• JSON source text access

  Limited availability

  Tags: javascript Groups: JavaScript > JSON

  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.

  Baseline availability blocked since February 2025 by Safari (0 months)

  Learn more

  • Chrome 114 Released on 2023-05-30
  • Chrome Android 114 Released on 2023-05-30
  • Edge 114 Released on 2023-06-02
  • Firefox 135 Released on 2025-02-04
  • Firefox for Android 135 Released on 2025-02-04
  • Safari ❌
  • Safari on iOS ❌