The DOM CompositionEvent represents events that occur due to the user indirectly entering text.


Creates a new CompositionEvent object instance.


This interface also inherits properties of its parent, UIEvent, and its ancestor — Event.

CompositionEvent.data Read only
Returns the characters generated by the input method that raised the event; its varies depending on the type of event that generated the CompositionEvent object.
CompositionEvent.locale Read only
Returns the locale of current input method (for example, the keyboard layout locale if the composition is associated with IME).


This interface also inherits methods of its parent, UIEvent, and its ancestor — Event.

Initializes the attributes of a CompositionEvent object.


Browser compatibilityUpdate compatibility data on GitHub

Chrome Edge Firefox Internet Explorer Opera Safari
Basic support Yes Yes 9 Yes No ?
CompositionEvent() constructor Yes ? 53 Yes No ?
data Yes Yes 9 Yes No ?
initCompositionEvent Yes Yes 9 Yes No ?
locale Yes Yes 9 Yes No ?
Android webview Chrome for Android Edge Mobile Firefox for Android Opera for Android iOS Safari Samsung Internet
Basic support Yes Yes Yes 9 ? ? ?
CompositionEvent() constructor Yes Yes ? 53 ? ? ?
data Yes Yes Yes 9 ? ? ?
initCompositionEvent Yes Yes Yes 9 ? ? ?
locale Yes Yes Yes 9 ? ? ?

See also

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