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

Specification Status Comment
UI Events
The definition of 'KeyboardEvent.prototype.isComposing' in that specification.
Working Draft
Document Object Model (DOM) Level 3 Events Specification
The definition of 'KeyboardEvent.prototype.isComposing' in that specification.
Obsolete Initial definition.

Browser compatibility

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See also