1. Web
  2. Web APIs
  3. FontFaceSet
  4. has()

FontFaceSet: has() method

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since January 2020.

Note: This feature is available in Web Workers.

The has() method of the FontFaceSet interface returns a Boolean asserting whether an element is present with the given value.

Syntax

js
has(value)

Parameters

value

The value to test for in the FontFaceSet object.

Return value

A Boolean, true if value exists in the FontFaceSet.

Specifications

This feature does not appear to be defined in any specification.

Browser compatibility

Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
has
Chrome – Full support
Chrome 35 (Release date: 2014-05-20)
footnote Full support
Edge – Full support
Edge 79 (Release date: 2020-01-15)
footnote Full support
Firefox – Full support
Firefox 41 (Release date: 2015-09-22)
footnote Full support
Opera – Full support
Opera 22 (Release date: 2014-06-03)
footnote Full support
Safari – Full support
Safari 10 (Release date: 2016-09-20)
footnote Full support
Chrome Android – Full support
Chrome Android 35 (Release date: 2014-05-20)
footnote Full support
Firefox for Android – Full support
Firefox for Android 41 (Release date: 2015-09-22)
footnote Full support
Opera Android – Full support
Opera Android 22 (Release date: 2014-06-17)
footnote Full support
Safari on iOS – Full support
Safari on iOS 10 (Release date: 2016-09-13)
footnote Full support
Samsung Internet – Full support
Samsung Internet 3 (Release date: 2015-04-10)
footnote Full support
WebView Android – Full support
WebView Android 37 (Release date: 2014-09-03)
footnote Full support
WebView on iOS – Full support
WebView on iOS 10 (Release date: 2016-09-13)
footnote Full support

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Full support

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