convert number to array of numbers javascript code example

Example 1: javascript Convert an array of strings to numbers

const toNumbers = arr => arr.map(Number);
toNumbers(['1', '2', '3','4']);     // [1, 2, 3, 4]

Example 2: number to array javascript

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

Example 3: integer to array javascript

Array.from(String(12345), Number);