This article needs an editorial review. How you can help.
This is a new technology, part of the ECMAScript 2015 (ES6) standard.
This technology's specification has been finalized, but check the compatibility table for usage and implementation status in various browsers.
El mètode entries()retorna un nou objecte Iterator que conté la parella [clau, valor] per cadascun dels elements de l'objecte Map en l'ordre d'inserció.
Sintaxi
myMap.entries()Exemples
Utilitzar 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"]
Especificacions
| Especificació | Estat | Comentaris |
|---|---|---|
| ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Map.prototype.entries' in that specification. |
Standard | Definició inicial. |
Compatibilitat amb navegadors
| Característica | Chrome | Firefox (Gecko) | Internet Explorer | Opera | Safari |
|---|---|---|---|---|---|
| Suport bàsic | 38 | 20 (20) | Not supported | 25 | 7.1 |
| Característica | Android | Chrome per Android | Firefox Mobile (Gecko) | IE Mobile | Opera Mobile | Safari Mobile |
|---|---|---|---|---|---|---|
| Suport bàsic | Not supported | 38 | 20.0 (20) | Not supported | Not supported | 8 |