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    Map.prototype.delete()

    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.

    Summary

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

    Syntax

    myMap.delete(key);

    Parameters

    key
    Required. The key of the element to remove from the Map object.

    Return value

    Returns true if an element in the Map object has been removed successfully.

    Examples

    Example: Using the delete method

    var myMap = new Map();
    myMap.set("bar", "foo");
    
    myMap.delete("bar"); // Returns true. Successfully removed.
    myMap.has("bar");    // Returns false. The "bar" element is no longer present.
    

    Specifications

    Specification Status Comment
    ECMAScript 6 (ECMA-262)
    The definition of 'Map.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: ratcliffe_mike, realityking, fscholz
    Last updated by: realityking,