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    This is an experimental technology, part of the ECMAScript 6 (Harmony) proposal.
    Because this technology's specification has not stabilized, check the compatibility table for usage in various browsers. Also note that the syntax and behavior of an experimental technology is subject to change in future version of browsers as the spec changes.


    The delete() method removes the specified element from a Set object.




    Required. The value of the element to remove from the Set object.

    Return value

    Returns true if an element in the Set object has been removed successfully; otherwise false.


    Example: Using the delete method

    var mySet = new Set();
    mySet.delete("bar"); // Returns false. No "bar" element found to be deleted.
    mySet.delete("foo"); // Returns true.  Successfully removed.
    mySet.has("foo");    // Returns false. The "foo" element is no longer present.


    Specification Status Comment
    ECMAScript 6 (ECMA-262)
    The definition of 'Set.prototype.delete' in that specification.
    Release Candidate Initial definition.

    Browser compatibility

    Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
    Basic support 38 13.0 (13.0) 11 25 7.1
    Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
    Basic support Not supported 38 13.0 (13.0) Not supported Not supported iOS 8

    See also

    Document Tags and Contributors

    Contributors to this page: makrem025, realityking, fscholz
    Last updated by: makrem025,