how to pass an integer into array in javascript code example

Example 1: convert number to array javascript

const numToSeparate = 12345;

const arrayOfDigits = Array.from(String(numToSeparate), Number);

console.log(arrayOfDigits);   //[1,2,3,4,5]

Example 2: number to array js

const arrayOfDigits = numToSeparate.toString().split("");