KeyboardEvent.isComposing

The KeyboardEvent.isComposing read-only property returns a boolean value indicating if the event is fired within a composition session, i.e. after compositionstart and before compositionend.

Syntax

var bool = event.isComposing;

Example

var kbdEvent = new KeyboardEvent("syntheticKey", false);
console.log(kbdEvent.isComposing); // return false

Specifications

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
isComposing
56
79
31
No
43
10.1
56
56
31
43
10.3
6.0

See also

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https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/isComposing