1. Mozilla
  2. Add-ons
  3. Browser extensions
  4. JavaScript APIs
  5. storage
  6. storage.session
  7. storage.session.QUOTA_BYTES

storage.session.QUOTA_BYTES

The maximum amount of data (in bytes) that can be stored in session storage. Use storage.session.getBytesInUse() to determine the amount of stored data.

Its value is 10485760.

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
QUOTA_BYTES
Chrome – Full support
Chrome 102 (Release date: 2022-05-24)
footnote Full support
Edge – Full support
Edge 102 (Release date: 2022-05-31)
footnote Full support
Firefox – Full support
Firefox 131 (Release date: 2024-10-01)
footnote Full support
Opera – Full support
Opera 88 (Release date: 2022-06-08)
footnote Full support
Safari – Full support
Safari 16.4 (Release date: 2023-03-27)
footnote Full support
Firefox for Android – Full support
Firefox for Android 131 (Release date: 2024-10-01)
footnote Full support
Safari on iOS – Full support
Safari on iOS 16.4 (Release date: 2023-03-27)
footnote Full support

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Full support

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