The entries()
method returns a new Iterator object that contains the [key, value]
pairs for each element in the Map
object in insertion order.
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Syntax
myMap.entries()
Return value
A new Map
iterator object.
Examples
Using entries()
let myMap = new Map() myMap.set('0', 'foo') myMap.set(1, 'bar') myMap.set({}, 'baz') let 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 |
---|
ECMAScript (ECMA-262) The definition of 'Map.prototype.entries' in that specification. |
Browser compatibility
The compatibility table on this page is generated from structured data. If you'd like to contribute to the data, please check out https://github.com/mdn/browser-compat-data and send us a pull request.
Desktop | Mobile | Server | |||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|
entries | Chrome Full support 38 | Edge Full support 12 | Firefox Full support 20 | IE No support No | Opera Full support 25 | Safari Full support 8 | WebView Android Full support 38 | Chrome Android Full support 38 | Firefox Android Full support 20 | Opera Android Full support 25 | Safari iOS Full support 8 | Samsung Internet Android Full support 3.0 | nodejs Full support 0.12 |
Legend
- Full support
- Full support
- No support
- No support