The entries()
method returns a new Array
iterator object that contains the key/value pairs for each index in the array.
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Syntax
arr.entries()
Return value
A new Array Iterator
object.
Examples
Iteration using for...of
loop
var arr = new Uint8Array([10, 20, 30, 40, 50]); var eArray = arr.entries(); // your browser must support for..of loop // and let-scoped variables in for loops for (let n of eArray) { console.log(n); }
Alternative iteration
var arr = new Uint8Array([10, 20, 30, 40, 50]); var eArr = arr.entries(); console.log(eArr.next().value); // [0, 10] console.log(eArr.next().value); // [1, 20] console.log(eArr.next().value); // [2, 30] console.log(eArr.next().value); // [3, 40] console.log(eArr.next().value); // [4, 50]
Specifications
Specification |
---|
ECMAScript (ECMA-262) The definition of '%TypedArray%.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 45 | Edge Full support 14 | Firefox Full support 37 | IE No support No | Opera Full support 36 | Safari No support No | WebView Android No support No | Chrome Android Full support 45 | Firefox Android Full support 37 | Opera Android No support No | Safari iOS No support No | Samsung Internet Android Full support 5.0 | nodejs Full support 0.12 |
Legend
- Full support
- Full support
- No support
- No support