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Map.prototype.delete()

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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

Returns true if an element in the Map object existed and has been removed, or false 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 2017 Draft (ECMA-262)
The definition of 'Map.prototype.delete' 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 do documento e colaboradores

 Colaboradores desta página: fscholz, Zarel, realityking, ratcliffe_mike
 Última atualização por: fscholz,