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This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

The FontFaceSetLoadEvent constructor creates a new FontFaceLoadEvent object which is fired whenever a FontFaceSet loads.


var fontFaceSetLoadEvent = new FontFaceSetLoadEvent(type[, options])


The literal value 'Type' (quotation marks included).
options Optional
Options are as follows:
  • fontfaces: An array of FontFace instances.


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

Browser Compatibility

FeatureChromeEdgeFirefoxInternet ExplorerOperaSafari
Basic support57 ? ? ?44 ?
FeatureAndroid webviewChrome for AndroidEdge mobileFirefox for AndroidOpera AndroidiOS SafariSamsung Internet
Basic support No57 ? ?44 ? ?

Document Tags and Contributors

 Contributors to this page: fscholz, jpmedley
 Last updated by: fscholz,