Web/JavaScript/Reference/Global objects/TypedArray/entries

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
[(ECMA-262)The definition of '%TypedArray%.prototype.entries()' in that specification.]

Browser compatibility

Update compatibility data on GitHub

	Desktop						Mobile						Server
	Chrome	Edge	Firefox	Internet Explorer	Opera	Safari	Android webview	Chrome for Android	Firefox for Android	Opera for Android	Safari on iOS	Samsung Internet	Node.js
`entries`	Chrome Full support 45	Edge Full support 14	Firefox Full support 37	IE No support No	Opera Full support 36	Safari Full support 9.1	WebView Android No support No	Chrome Android Full support 45	Firefox Android Full support 37	Opera Android No support No	Safari iOS Full support 9.3	Samsung Internet Android Full support 5.0	nodejs Full support 0.12

Legend

Full support: Full support
No support: No support