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.
ExtendableEvent() constructor creates a new
var myExtendableEvent = new ExtendableEvent(type, init);
- The type of the ExtendableEvent, for example
- init Optional
- An options object containing any custom settings that you want to apply to the event object. Currently no possible options exist inside the spec, but this has been defined for forward compatibility across the different derived events.
The definition of 'ExtendableEvent' in that specification.
|Working Draft||Initial definition.|
|Feature||Chrome||Firefox (Gecko)||Internet Explorer||Opera||Safari (WebKit)|
|Basic support||40.0||44.0 (44.0)||No support||24||No support|
|Feature||Android||Firefox Mobile (Gecko)||Firefox OS||IE Mobile||Opera Mobile||Safari Mobile||Chrome for Android|
|Basic support||?||44.0 (44.0)||(Yes)||No support||?||No support||?|