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    FocusEvent()

    « FocusEvent

    This is an experimental technology
    Because this technology's specification has not stabilized, check the compatibility table for the proper prefixes to use in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future versions of browsers as the spec changes.

    The FocusEvent() constructor returns a newly created FocusEvent object with an optional EventTarget. When a change a focus has a source and a destination, the relatedTarget value must be set to the other target.

    Syntax

    focusEvent1 = new FocusEvent(); // Create a FocusEvent without a null relatedTarget
    focusEvent2 = new FocusEvent({relatedTarget: otherEventTarget});
    

    Arguments

    The FocusEvent() constructor also inherits arguments from UIEvent() and from Event().

    relatedTarget Optional
    Is an EventTarget representing the secondary target of a FocusEvent. It defaults to null.

    Specifications

    Specification Status Comment
    UI Events Working Draft Initial definition

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) 24.0 (24.0) Not supported (Yes) (Yes)
    Feature Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) 24.0 (24.0) Not supported (Yes) (Yes)

    See also

     

    Document Tags and Contributors

    Contributors to this page: kscarfone, teoli
    Last updated by: kscarfone,