CompositionEvent: CompositionEvent() constructor

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since April 2017.

The CompositionEvent() constructor creates a new CompositionEvent object.

Syntax

new CompositionEvent(type)
new CompositionEvent(type, options)

A string with the name of the event. It is case-sensitive and browsers set it to compositionstart, compositionupdate, or compositionend.

An object that, in addition of the properties defined in UIEvent(), has the following properties:

data Optional: A string used to initialize the data property of the new CompositionEvent. Browser-generated events set it to the characters generated by the IME composition.

Specification
UI Events # dom-compositionevent-compositionevent

	desktop					mobile
	Chrome	Edge	Firefox	Opera	Safari	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	WebView Android	WebView on iOS
`CompositionEvent()` constructor	Chrome – Full support Chrome 26 (Release date: 2013-03-26) footnote Full support	Edge – Full support Edge 12 (Release date: 2015-07-29) footnote Full support	Firefox – Full support Firefox 53 (Release date: 2017-04-19) footnote Full support	Opera – Full support Opera 15 (Release date: 2013-07-02) footnote Full support	Safari – Full support Safari 7 (Release date: 2013-10-22) footnote Full support	Chrome Android – Full support Chrome Android 26 (Release date: 2013-04-03) footnote Full support	Firefox for Android – Full support Firefox for Android 53 (Release date: 2017-04-19) footnote Full support	Opera Android – Full support Opera Android 14 (Release date: 2013-05-21) footnote Full support	Safari on iOS – Full support Safari on iOS 7 (Release date: 2013-09-18) footnote Full support	Samsung Internet – Full support Samsung Internet 1.5 (Release date: 2013-09-25) footnote Full support	WebView Android – Full support WebView Android 4.4 (Release date: 2013-12-09) footnote Full support	WebView on iOS – Full support WebView on iOS 7 (Release date: 2013-09-18) footnote Full support

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