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.
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.
A boolean.
js
const kbdEvent = new KeyboardEvent("syntheticKey", false); console.log(kbdEvent.isComposing); // return false
| Specification |
|---|
| UI Events # dom-keyboardevent-iscomposing |
| 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 |
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https://developer.mozilla.org/en-US/docs/Web/API/KeyboardEvent/isComposing