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This is a new technology, part of the ECMAScript 2015 (ES6) standard .
This technology's specification has been finalized, but check the compatibility table for usage and implementation status in various browsers.

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.


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 2015 (6th Edition, ECMA-262)
The definition of 'Set.prototype.delete' in that specification.
Standard 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 8

See also

Document Tags and Contributors

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