JavaScript: getting the first element of an array without indexes

#littlenotes #beginners #javascript

const a = [1, 2, 3];
const [b] = a;
b
// 1

[] is the decomposing operator.

Also:

const [c, ...rest] = a;
c
// 1
rest
// [2, 3]

... is the rest operator.

Top comments (2)

Short and sweet, I like it.

I like it. This is exactly what I was looking for.

Mayank Chawdhari - Dec 18

Ayush Kumar Vishwakarma - Dec 18

Harshit Rawat - Dec 21

Justin - Dec 18