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WorkerGlobalScope: fonts property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨September 2022⁩.

Note: This feature is only available in Web Workers.

The fonts property of the WorkerGlobalScope interface returns the FontFaceSet interface of the worker.

This property is part of the CSS Font Loading API.

Value

The returned value is the FontFaceSet interface of the worker. The FontFaceSet interface is useful for loading new fonts, checking the status of previously loaded fonts etc.

Examples

Doing operation after all fonts are loaded

fonts.ready.then(() => {
  // Any operation that needs to be done only after all the fonts
  // have finished loading can go here.
});

Specifications

Specification
CSS Font Loading Module Level 3> # dom-fontfacesource-fonts>

Browser compatibility