Array.prototype.entries()

This is a new technology, part of the ECMAScript 2015 (ES6) standard.
This technology's specification has been finalized, but check the compatibility table for usage and implementation status in various browsers.

entries() 메서드는 배열의 각 인덱스에 대한 key/value 쌍을 가지는 새로운 Array Iterator 객체를 반환합니다.

문법

arr.entries()

예시

var arr = ['a', 'b', 'c'];
var eArr = arr.entries();

console.log(eArr.next().value); // [0, 'a']
console.log(eArr.next().value); // [1, 'b']
console.log(eArr.next().value); // [2, 'c']

Specifications

Specification	Status	Comment
ECMAScript 2015 (6th Edition, ECMA-262) The definition of 'Array.prototype.entries' in that specification.	Standard	Initial definition.

Browser compatibility

• Desktop
• Mobile

Feature	Chrome	Firefox (Gecko)	Internet Explorer	Opera	Safari
Basic support	38	28 (28)	No support	25	7.1

Feature	Android	Chrome for Android	Firefox Mobile (Gecko)	IE Mobile	Opera Mobile	Safari Mobile
Basic support	No support	No support	28.0 (28)	No support	No support	8.0

See also

• Array.prototype.keys()
• Array.prototype.forEach()
• Array.prototype.every()
• Array.prototype.some()