The FontFaceSet interface of the CSS Font Loading API is an interface for loading font faces and checking their download statuses.
Documentation FontFaceSet by Mozilla Contributors, licensed under CC-BY-SA 2.5.
See:
Variables
An EventListener property called whenever an event of type loading is fired, indicating that a font face set has started to load.
An EventListener property called whenever an event of type loadingdone is fired, indicating that a font face set has finished loading.
An EventListener property called whenever an event of type loadingerror is fired, indicating that an error occurred during the loading of a font face set.
read onlystatus:FontFaceSetLoadStatus
Indicates the font face's loading status. It will be one of 'loading' or 'loaded'.