load method
The load() method of the FontFace interface requests and loads a
font whose source was specified as a URL. It returns a Promise that
resolves with the current FontFace object.
If the source for the font face was specified as binary data, or the
font FontFace.status property of the font face is anything other than
unloaded, then this method does nothing.
Implementation
external JSPromise<FontFace> load();