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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
Feature | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|
Basic support | 38 | 13.0 (13.0) | 11 | 25 | 7.1 |
Feature | Android | Chrome for Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
---|---|---|---|---|---|---|
Basic support | No support | 38 | 13.0 (13.0) | No support | No support | 8 |
See also
Etiquetas y colaboradores del documento
Etiquetas:
Colaboradores en esta página:
fscholz,
realityking
Última actualización por:
fscholz,