Map.prototype.delete()
The delete()
method removes the specified element from a Map
object by key.
Syntax
delete(key)
Parameters
key
-
The key of the element to remove from the
Map
object.
Return value
true
if an element in the Map
object existed and has been removed, or false
if the element does not exist.
Examples
Using delete()
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
Browser compatibility
Desktop | Mobile | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | |
delete |
38 |
12 |
13 |
11 |
25 |
8 |
38 |
38 |
14 |
25 |
8 |
3.0 |
See also
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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/delete