TypedArray.prototype.entries() - JavaScript | MDN

Try it

const uint8 = new Uint8Array([10, 20, 30, 40, 50]);
const eArr = uint8.entries();

eArr.next();
eArr.next();

console.log(eArr.next().value);
// Expected output: Array [2, 30]

Syntax

Parameters

None.

Return value

A new iterable iterator object.

Description

See Array.prototype.entries() for more details. This method is not generic and can only be called on typed array instances.

Examples

Iteration using for...of loop

js

const array = new Uint8Array([10, 20, 30, 40, 50]);
const arrayEntries = arr.entries();
for (const element of arrayEntries) {
  console.log(element);
}

Alternative iteration

js

const array = new Uint8Array([10, 20, 30, 40, 50]);
const arrayEntries = arr.entries();

console.log(arrayEntries.next().value); // [0, 10]
console.log(arrayEntries.next().value); // [1, 20]
console.log(arrayEntries.next().value); // [2, 30]
console.log(arrayEntries.next().value); // [3, 40]
console.log(arrayEntries.next().value); // [4, 50]

Specifications

Specification
ECMAScript® 2027 Language Specification
# sec-%typedarray%.prototype.entries

Browser compatibility

See also

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