Map.prototype.delete()

The delete() method removes the specified element from a Map object by key.

Try it

Syntax

js

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()

js

const myMap = new Map();
myMap.set("bar", "foo");

console.log(myMap.delete("bar")); // Returns true. Successfully removed.
console.log(myMap.has("bar")); // Returns false. The "bar" element is no longer present.

Specifications

Specification
ECMAScript Language Specification # sec-map.prototype.delete

Browser compatibility

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See also

Map