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.
has(value)
valueThe value to test for in the FontFaceSet object.
A Boolean, true if value exists in the FontFaceSet.
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
has |
35 | 79 | 41 | 22 | 10 | 35 | 41 | 22 | 10 | 3.0 | 37 | 10 |
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https://developer.mozilla.org/en-US/docs/Web/API/FontFaceSet/has