What is Destructuring in JavaScript

 The destructuring  is a JavaScript expression that makes it possible to unpack values from arrays, or properties from objects, into distinct variables.

Demo URL

Syntax : let a, b, rest;

[a, b] = [10, 20];

console.log(a);

// expected output: 10

console.log(b);

// expected output: 20

[a, b, ...rest] = [10, 20, 30, 40, 50];

console.log(rest);

// expected output: Array [30,40,50]