Set.prototype.clear()

The clear() method removes all elements from a Set object.

Syntax

mySet.clear();

Return value

undefined.

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

See also

Document Tags and Contributors

 Contributors to this page: jameshkramer, nmve, kdex, eduardoboucas, fscholz, realityking
 Last updated by: jameshkramer,