WeakMap.prototype.clear()

The clear() method used to remove all elements from a WeakMap object, but is no longer part of ECMAScript and its implementations.

Syntax

wm.clear();

Examples

Using the clear method

var wm = new WeakMap();
var obj = {};

wm.set(obj, 'foo');
wm.set(window, 'bar');

wm.has(obj); // true
wm.has(window); // true

wm.clear();

wm.has(obj)  // false
wm.has(window)  // false

Specifications

Not part of any standard.

Browser compatibility

See also

• WeakMap