The clear()
method removes all elements from a Set
object.
Syntax
mySet.clear();
Return value
Examples
Using the clear
method
var mySet = new Set(); mySet.add(1); mySet.add('foo'); mySet.size; // 2 mySet.has('foo'); // true mySet.clear(); mySet.size; // 0 mySet.has('bar') // false
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Set.prototype.clear' in that specification. |
Standard | Initial definition. |
ECMAScript Latest Draft (ECMA-262) The definition of 'Set.prototype.clear' in that specification. |
Draft |
Browser compatibility
Feature | Chrome | Edge | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 38 | (Yes) | 19.0 (19.0) | 11 | 25 | 7.1 |
Feature | Android | Chrome for Android | Edge | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|---|
Basic support | No support | 25 | (Yes) | 19.0 (19.0) | No support | No support | 8 |