The delete()
method removes the specified element from a Map
object.
Syntax
myMap.delete(key);
Parameters
- key
- Required. The key of the element to remove from the
Map
object.
Return value
- Boolean
- Returns
true
if an element in theMap
object existed and has been removed, orfalse
if the element does not exist.
Examples
Using the delete
method
var myMap = new Map(); myMap.set('bar', 'foo'); myMap.delete('bar'); // Returns true. Successfully removed. myMap.has('bar'); // Returns false. The "bar" element is no longer present.
Specifications
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Map.prototype.delete' in that specification. |
Standard | Initial definition. |
ECMAScript Latest Draft (ECMA-262) The definition of 'Map.prototype.delete' in that specification. |
Living Standard |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Feature | Chrome | Edge | Firefox | Internet Explorer | Opera | Safari |
---|---|---|---|---|---|---|
Basic support | 38 | 12 | 13 | 11 | 25 | 8 |
Feature | Android webview | Chrome for Android | Edge mobile | Firefox for Android | IE mobile | Opera Android | iOS Safari |
---|---|---|---|---|---|---|---|
Basic support | 38 | 38 | 12 | 14 | 11 | 25 | 8 |
See also
Document Tags and Contributors
Tags:
Contributors to this page:
kleinfreund,
fscholz,
jameshkramer,
nmve,
kdex,
Zarel,
realityking,
ratcliffe_mike
Last updated by:
kleinfreund,