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Map.prototype.entries()

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The entries() method returns a new Iterator object that contains the [key, value] pairs for each element in the Map object in insertion order.

Syntax

myMap.entries()

Return value

A new Map iterator object.

Examples

Using entries()

var myMap = new Map();
myMap.set("0", "foo");
myMap.set(1, "bar");
myMap.set({}, "baz");

var mapIter = myMap.entries();

console.log(mapIter.next().value); // ["0", "foo"]
console.log(mapIter.next().value); // [1, "bar"]
console.log(mapIter.next().value); // [Object, "baz"]

Specifications

Specification Status Comment
ECMAScript 2015 (6th Edition, ECMA-262)
The definition of 'Map.prototype.entries' in that specification.
Standard Initial definition.
ECMAScript 2017 Draft (ECMA-262)
The definition of 'Map.prototype.entries' in that specification.
Draft  

Browser compatibility

Feature Chrome Firefox (Gecko) Internet Explorer Opera Safari
Basic support 38 20 (20) No support 25 7.1
Feature Android Chrome for Android Firefox Mobile (Gecko) IE Mobile Opera Mobile Safari Mobile
Basic support No support 38 20.0 (20) No support No support 8

See also

Document Tags and Contributors

 Contributors to this page: martijndeh, eduardoboucas, fscholz, arai, realityking
 Last updated by: martijndeh,