The get() method returns a specified element from a Map object. If the value that is associated to the provided key is an object, then you will get a reference to that object and any change made to that object will effectively modify it inside the Map object.
Map.prototype.get()
Try it
Syntax
get(key)
Parameters
-
key -
The key of the element to return from the
Mapobject.
Return value
The element associated with the specified key, or undefined if the key can't be found in the Map object.
Examples
Using get()
let myMap = new Map(); myMap.set('bar', 'foo'); myMap.get('bar'); // Returns "foo" myMap.get('baz'); // Returns undefined
Specifications
Browser compatibility
| 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 |
38
|
12
|
13
|
11
|
25
|
8
|
38
|
38
|
14
|
25
|
8
|
3.0
|
1.0
|
0.12.0
0.10.0
|
See also
© 2005–2022 MDN contributors.
Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Map/get
