The two most used data structures in JavaScript are Object and Array. The destructuring assignment introduced in ECMAScript 2015 is shorthand syntax that allows us to extract array values or object properties into variables. In this article, we go through the syntax of both data structures and give examples of when you can use them.

Destructuring Arrays

In ES5 you could access items in an array by index:

var fruit = ['apple', 'banana', 'kiwi'];

var apple = fruit[0];
var banana = fruit[1];
var kiwi = fruit[2];

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Getting Started with Modern JavaScript — Destructuring
1.10 GEEK