WeakMap.prototype.get()
The get()
method returns a specified element from a
WeakMap
object.
Syntax
get(key)
Parameters
key
-
Required. The key of the element to return from the
WeakMap
object.
Return value
The element associated with the specified key in the WeakMap
object. If
the key can't be found, undefined
is returned.
Examples
Using the get() method
var wm = new WeakMap();
wm.set(window, 'foo');
wm.get(window); // Returns "foo".
wm.get('baz'); // Returns undefined.
Specifications
Specification |
---|
ECMAScript Language Specification # sec-weakmap.prototype.get |
Browser compatibility
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