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 add() method of the FontFaceSet interface adds a new font to the set.
add(font)
A new FontFaceSet.
InvalidModificationError DOMException
Thrown if this font is already included via the CSS @font-face rule.
In the following example a new FontFace object is created and then added to the FontFaceSet.
const font = new FontFace("MyFont", 'url("myFont.woff2")');
document.fonts.add(font);
| Specification |
|---|
| CSS Font Loading Module Level 3> # dom-fontfaceset-add> |
| Desktop | Mobile | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Opera | Safari | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | WebView Android | WebView on iOS | |
add |
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/add