map.get

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

Syntax

myMap.get(key);

Parameters

key

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

Return value

Returns the element associated with the specified key or undefined if the key can't be found in the Map object.

Examples

Using the get method

var myMap = new Map();
myMap.set('bar', 'foo');

myMap.get('bar');  // Returns "foo".
myMap.get('baz');  // Returns undefined.

Specifications

Specification	Status	Comment
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Map.prototype.get' in that specification.	Standard	Initial definition.
ECMAScript 2017 Draft (ECMA-262) The definition of 'Map.prototype.get' in that specification.	Draft

Browser compatibility

See also

• Map
• Map.prototype.set()
• Map.prototype.has()