Set.prototype.clear()

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

Syntax

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
ECMAScript Language Specification (ECMAScript)
# sec-set.prototype.clear

Browser compatibility

Desktop Mobile
Chrome Edge Firefox Internet Explorer Opera Safari WebView Android Chrome Android Firefox for Android Opera Android Safari on IOS Samsung Internet
clear
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12
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25
8
38
38
19
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8
3.0

See also

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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/clear