set.delete

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

Syntax

mySet.delete(value);

Parameters

value

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

Return value

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

Examples

Using the delete method

var mySet = new Set();
mySet.add('foo');

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.

Let's checkout below how to delete an Object from a Set.

var setObj = new Set(); // Create a New Set.

setObj.add({x: 10, y: 20}); // Add object in the set.

setObj.add({x: 20, y: 30}); // Add object in the set.


setObj.forEach(function(point){ if(point.x>10){setObj.delete(point)} }) // Delete an object from a Set.

Specifications

Specification	Status	Comment
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Set.prototype.delete' in that specification.	Standard	Initial definition.
ECMAScript 2017 Draft (ECMA-262) The definition of 'Set.prototype.delete' in that specification.	Draft

Browser compatibility

See also

• Set
• Set.prototype.clear()