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JavaScript In Practice: ES6 And Beyond

Destructuring with the Spread Operator

Explore how to use the spread operator with destructuring in JavaScript ES6. Understand how to extract remaining elements from arrays using rest parameters on the left side of assignments. This lesson helps you write cleaner and more efficient code by mastering these features.

We'll cover the following...

Let’s create an array that contains the last four characters of another array:

Node.js
let notgood = 'not good'.split( '' );
let [ ,,,, ...good ] = notgood;
console.log( good );
// ["g", "o", "o", "d"]

If there are no ...