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    compositionupdate Redirect 2

    The compositionupdate event is fired when a character is added to a passage of text being composed (fires with special characters that require a sequence of keys and other inputs such as speech recognition or word suggestion on mobile).

    General info

    DOM L3
    Default Action


    Property Type Description
    target Read only EventTarget Focused element processing the composition, null if not accessible.
    type Read only DOMString The type of event.
    bubbles Read only boolean Does the event normally bubble?
    cancelable Read only boolean Is it possible to cancel the event?
    view Read only WindowProxy document.defaultView (the window of the document).
    detail Read only long (float) 0.
    data DOMString (string) The original string being edited, otherwise the empty string. Read only.
    locale DOMString (string) The language code for the composition event, if available; otherwise, the empty string. Read only.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support


    Not dispatched immediately after compositionstart event.

    9.0 (9.0) (Yes) NotĀ supported ?
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support ? 9.0 (9.0) ? ? ?

    Gecko notes

    compositionupdate events are fired before editor contents are actually changed; that is, the value of an editable element has not yet been changed when compositionupdate event handlers are called. Starting in Gecko 12.0 (Firefox 12.0 / Thunderbird 12.0 / SeaMonkey 2.9), input events are fired while editing is underway, after the contents of the element are changed. This lets you get the updated contents while editing is underway.

    Note: Gecko doesn't support the locale attribute for trusted events yet.Ā  However, web developers can set this value via initCompositionEvent() when creating untrusted events.

    Document Tags and Contributors

    Contributors to this page: Sheppy
    Last updated by: Sheppy,