Square Every Digit

Square Every DigitCodewars

Approach

Solve the problem

1. convert as string

2. split process-1 string as an array

3. iterate process-2

   1. After parsing in the form of a number, apply the power of 2

4. join process-3 as a string

5. parse to number process-4

Solution

JavaScript

const squareDigits = (num) => Number(
  [...String(num)]
    .map((v) => Number(v) ** 2)
    .join('')
);