The entries()
method returns a new Iterator
object that contains[value, value]
for each element in the Set
object, in insertion order. For Set
objects there is no key
like in Map
objects. However, to keep the API similar to the Map
object, each entry has the same value for its key and value here, so that an array [value, value]
is returned.
mySet.entries()
A new Iterator
object that contains an array of [value, value]
for each element in the given Set
, in insertion order.
entries()
var mySet = new Set(); mySet.add('foobar'); mySet.add(1); mySet.add('baz'); var setIter = mySet.entries(); console.log(setIter.next().value); // ["foobar", "foobar"] console.log(setIter.next().value); // [1, 1] console.log(setIter.next().value); // ["baz", "baz"]
Specification | Status | Comment |
---|---|---|
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Set.prototype.entries' in that specification. | Standard | Initial definition. |
ECMAScript Latest Draft (ECMA-262) The definition of 'Set.prototype.entries' in that specification. | Draft |
Desktop | ||||||
---|---|---|---|---|---|---|
Chrome | Edge | Firefox | Internet Explorer | Opera | Safari | |
Basic support | 38 | 12 | 24 | No | 25 | 8 |
Mobile | |||||||
---|---|---|---|---|---|---|---|
Android webview | Chrome for Android | Edge Mobile | Firefox for Android | Opera for Android | iOS Safari | Samsung Internet | |
Basic support | 38 | 38 | 12 | 24 | 25 | 8 | Yes |
Server | |
---|---|
Node.js | |
Basic support | 0.12 |
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Licensed under the Creative Commons Attribution-ShareAlike License v2.5 or later.
https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Set/entries