Write a program to reverse an integer? in javascript code example

Example 1: reverse int js

function reverseInt(n) {
  let reversed = n.toString().split("").reverse().join("");
  //from string to integer
  reversed = parseInt(reversed);

  if (n < 0) {
    return reversed * -1;
  }

  return reversed;
}

Example 2: reverse number in js

function reversedNum(num) {
  return (
    parseFloat(
      num
        .toString()
        .split('')
        .reverse()
        .join('')
    ) * Math.sign(num)
  )                 
}