Map.prototype.delete()
Baseline Widely available
This feature is well established and works across many devices and browser versions. It’s been available across browsers since July 2015.
The delete() method of Map instances removes the specified element from this map by
key.
Try it
Syntax
js
mapInstance.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()
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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