1. Mozilla
  2. Add-ons
  3. Browser extensions
  4. JavaScript APIs
  5. runtime
  6. runtime.OnPerformanceWarningSeverity

runtime.OnPerformanceWarningSeverity

The severity of warning that dispatched the runtime.onPerformanceWarning event.

Type

Values of this type are strings. Possible values are:

  • "low"
  • "medium"
  • "high"

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Firefox for Android
Safari on iOS
OnPerformanceWarningSeverity
Chrome – No support
Chrome
footnote No support
Edge – No support
Edge
footnote No support
Firefox – Full support
Firefox 124 (Release date: 2024-03-19)
footnote Full support
Opera – No support
Opera
footnote No support
Safari – No support
Safari
footnote No support
Firefox for Android – Full support
Firefox for Android 124 (Release date: 2024-03-19)
footnote Full support
Safari on iOS – No support
Safari on iOS
footnote No support

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Full support
No support

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