This is an experimental technology
Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the specification changes.

The FontFaceSet interface of the CSS Font Loading API manages the loading of font-faces and querying of their download status.


FontFaceSet.status Read only
Indicates the font-face's loading status. It will be one of 'loading' or 'loaded'.


An EventListener called whenever an event of type loading is fired, indicating a font-face set has started loading.
An EventListener called whenever an event of type loadingdone is fired, indicating that a font face set has finished loading.
An EventListener called whenever an event of type loadingerror is fired, indicating that an error occurred whilst loading a font-face set.


Adds a font to the font set.
A Boolean that indicates whether a font is loaded, but doesn't initiate a load when it isn't.
Removes all fonts from the font set.
Removes a font from the font set.
Returns a Promise which resolves to a list of font-faces for a requested font.
Returns a Promise which resolves once font loading and layout operations have completed.


Specification Status Comment
CSS Font Loading Module Level 3
The definition of 'FontFaceSet' in that specification.
Working Draft Initial definition

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari (WebKit)
Basic support 35.0 41 (41) ? ? ?
clear() method 48.0        
Feature Android Android Webview Firefox Mobile (Gecko) Firefox OS IE Mobile Opera Mobile Safari Mobile Chrome for Android
Basic support No support 35.0 41.0 (41) ? ? ? ? 35.0
clear() method No support 48.0           48.0


Document Tags and Contributors

 Contributors to this page: jpmedley, Alhadis, teoli, Sebastianz
 Last updated by: jpmedley,