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    __defineSetter__ Redirect 1

    Non-standard
    This feature is non-standard and is not on a standards track. Do not use it on production sites facing the Web: it will not work for every user. There may also be large incompatibilities between implementations and the behavior may change in the future.

    Deprecated
    This feature has been removed from the Web. Though some browsers may still support it, it is in the process of being dropped. Do not use it in old or new projects. Pages or Web apps using it may break at any time.

    Summary

    The __defineSetter__ method binds an object's property to a function to be called when an attempt is made to set that property.

    Syntax

    obj.__defineSetter__(sprop, fun)

    Parameters

    sprop
    A string containing the name of the property to be bound to the given function
    fun
    A function to be called when there is an attempt to set the specified property. This function takes the form
    function (val) { . . . }
    val
    an alias for the variable that holds the value attempted to be assigned to prop

    Description

    The __defineSetter__ method allows a setter to be defined on a pre-existing object.

    Specifications

    Not part of any specifications.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support (Yes) (Yes) IE 11 (Yes) (Yes)
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support (Yes) (Yes) (Yes) ? (Yes) (Yes)

    See also

    Document Tags and Contributors

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