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 »
const fruits = new Map([
["apples", 500],
["bananas", 300],
["oranges", 200]
]);
// List all Entries
let text = "";
for (const x of fruits.entries()) {
text += x;
}
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 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 |