How to convert an integer into an array of digits

Question

I want to convert an integer, say 12345, to an array like [1,2,3,4,5].

I have tried the below code, but is there a better way to do this?

Answer 1

Runnable snippet:

const n = 12345;
let toIntArray = (n) => ([...n + ""].map(Number));
console.log(toIntArray(n));