FontFaceSet: add() 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 add() method of the FontFaceSet interface adds a new font to the set.

Syntax

js
add(font)

Parameters

font

A FontFace to be added to the set.

Return value

Exceptions

InvalidModificationError DOMException

Thrown if this font is already included via the CSS @font-face rule.

Examples

In the following example a new FontFace object is created and then added to the FontFaceSet.

js
const font = new FontFace("MyFont", "url(myFont.woff2)");
document.fonts.add(font);

Specifications

Specification
CSS Font Loading Module Level 3
# dom-fontfaceset-add

Browser compatibility

Report problems with this compatibility data on GitHub
desktopmobile
Chrome
Edge
Firefox
Opera
Safari
Chrome Android
Firefox for Android
Opera Android
Safari on iOS
Samsung Internet
WebView Android
WebView on iOS
add

Legend

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Full support
Full support