JavaScript Map size Property
Last Updated :
26 May, 2023
Map is a collection of elements where each element is stored as a Key, value pair. Map.size property is used to return the number of Key, and value pairs stored in a map.
Syntax:
mapName.size
Return Value: An integer representing number of Key, value pair stored in a map.
The examples below illustrate the Map.size property:
Example 1:
Javascript
let GFGmap = new Map();
GFGmap.set('1', 'Apple');
GFGmapset('2', 'Banana');
GFGmap.set('3', 'Mango');
console.log(GFGmap.size);
|
Output:
3
Example 2:
Javascript
let GFGmap = new Map();
GFGmap.set('a', 'Apple');
GFGmapset('b', 'Ball');
GFGmap.set('c', 'Cat');
GFGmap.set('d', 'Dog');
console.log(GFGmap.size);
|
Output:
4
Supported Browsers:
- Google Chrome 38.0
- Microsoft Edge 12.0
- Firefox 13.0
- Internet Explorer 11.0
- Opera 25.0
- Safari 8.0
We have a complete list of Javascript Map methods, to check those please go through this JavaScript Map Complete Reference article.
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