Map.prototype.get()

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.

Syntax

get(key)

Parameters

key
The key of the element to return from the Map object.

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

Specification
ECMAScript Language Specification (ECMAScript)
# sec-map.prototype.get

Browser compatibility

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See also