JavaScript Map entries()
Example
// Create a Map
const fruits = new Map([
["apples", 500],
["bananas", 300],
["oranges", 200]
]);
// List all Entries
let text = "";
for (const x of fruits.entries()) {
text += x;
}
Try it Yourself »
Description
The entries() method returns an iterator object with the [key,values] in a map.
The entries() method does not change the original map.
Syntax
map.entries()
Parameters
| NONE |
Return Value
| Type | Description |
| Iterator | An iterable object with the [key, values] of the map. |
Browser Support
map.entries() is an ECMAScript6 (ES6) feature.
ES6 (JavaScript 2015) is supported in all modern browsers since June 2017:
| Chrome 51 | Edge 15 | Firefox 54 | Safari 10 | Opera 38 |
| May 2016 | Apr 2017 | Jun 2017 | Sep 2016 | Jun 2016 |
map.entries() is not supported in Internet Explorer.
