The delete() method removes the specified element from a Map object by key.
Map.prototype.delete()
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Syntax
delete(key)
Parameters
-
key -
The key of the element to remove from the
Mapobject.
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 | Server | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | WebView Android | Chrome Android | Firefox for Android | Opera Android | Safari on IOS | Samsung Internet | Deno | Node.js | |
delete |
38
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12
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13
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11
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25
|
8
|
38
|
38
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14
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25
|
8
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3.0
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1.0
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0.12.0
0.10.0
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See also
© 2005–2022 MDN contributors.
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
