WeakMap.prototype.get()

The get() method returns a specified element from a WeakMap object.

Syntax

get(key)

key: Required. The key of the element to return from the WeakMap object.

The element associated with the specified key in the WeakMap object. If the key can't be found, undefined is returned.

var wm = new WeakMap();
wm.set(window, 'foo');

wm.get(window); // Returns "foo".
wm.get('baz');  // Returns undefined.

Specification
ECMAScript Language Specification # sec-weakmap.prototype.get

	desktop						mobile						server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	WebView Android	Chrome Android	Firefox for Android	Opera Android	Safari on iOS	Samsung Internet	Deno	Node.js
`get`	ChromeFull support36	EdgeFull support12	FirefoxFull support6 footnote	Internet ExplorerFull support11	OperaFull support23	SafariFull support8	WebView AndroidFull support37	Chrome AndroidFull support36	Firefox for AndroidFull support6 footnote	Opera AndroidFull support24	Safari on iOSFull support8	Samsung InternetFull support3.0	DenoFull support1.0	Node.jsFull support0.12.0