Baseline Widely available *
Note: This feature is available in Web Workers.
The FontFaceSet interface of the CSS Font Loading API manages the loading of font-faces and querying of their download status.
A FontFaceSet instance is a Set-like object that can hold an ordered set of FontFace objects.
This property is available as Document.fonts, or self.fonts in web workers.
FontFaceSet.status Read only
Indicates the font-face's loading status. It will be one of 'loading' or 'loaded'.
FontFaceSet.ready Read only
Promise which resolves once font loading and layout operations have completed.
FontFaceSet.size Read only
Returns the number of values in the FontFaceSet.
loading
Fires when a font-face set has started loading.
loadingdone
Fires when a font face set has finished loading.
loadingerror
Fires when an error occurred whilst loading a font-face set.
FontFaceSet.add()
Adds a font to the font set.
FontFaceSet.check()
A boolean value that indicates whether a font is loaded, but doesn't initiate a load when it isn't.
FontFaceSet.clear()
Removes all manually-added fonts from the font set. CSS-connected fonts are unaffected.
FontFaceSet.delete()
Removes a manually-added font from the font set. CSS-connected fonts are unaffected.
FontFaceSet.entries()
Returns a new iterator with the values for each element in the FontFaceSet in insertion order.
FontFaceSet.forEach()
Executes a provided function for each value in the FontFaceSet object.
FontFaceSet.has()
Returns a Boolean asserting whether an element is present with the given value.
FontFaceSet.keys()
An alias for FontFaceSet.values().
FontFaceSet.load()
Returns a Promise which resolves to a list of font-faces for a requested font.
FontFaceSet.values()
Returns a new iterator object that yields the values for each element in the FontFaceSet object in insertion order.
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