JavaScript Map delete()
Example
// Create a Map
const fruits = new Map([
["apples", 500],
["bananas", 300],
["oranges", 200]
]);
// Delete an Element
fruits.delete("apples");
Try it Yourself »
const fruits = new Map([
["apples", 500],
["bananas", 300],
["oranges", 200]
]);
// Delete an Element
fruits.delete("apples");
Description
The delete() method deletes an element from a map.
Syntax
map.delete(key)
Parameters
Parameter
Description
key
Required.
The key of the element to delete.
The key of the element to delete.
Return Value
Type
Description
Boolean
true if the element existed, otherwise false.
Browser Support
map.delete() is an ECMAScript6 (ES6 2015) feature.
JavaScript 2015 is supported in all browsers since June 2017:
| Chrome 51 |
Edge 15 |
Firefox 54 |
Safari 10 |
Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |