InputEvent: isComposing property

Baseline Widely available

This feature is well established and works across many devices and browser versions. It’s been available across browsers since ⁨March 2023⁩.

The InputEvent.isComposing read-only property returns a boolean value indicating if the event is fired after compositionstart and before compositionend.

Value

A boolean.

Examples

js
const inputEvent = new InputEvent("syntheticInput", false);
console.log(inputEvent.isComposing); // return false

Specifications

Specification
UI Events
# dom-inputevent-iscomposing

Browser compatibility

See also