array to number javascript code example

Example 1: convert array to number

let x = [1,2,3,4,5]
let num = +x.join("")

Example 2: number to array javascript

const n = 123456;
Array.from(n.toString()).map(Number);
// [1, 2, 3, 4, 5, 6]

Example 3: number to array js

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