Reverse an integer

reverseInt.js

function reverseInt(n) {
  const reversed = n.toString().split('').reverse().join(''); // turn a number into a string, then turn it into an array to reverse. 
  return Math.sign(n) * parseInt(reversed); // Math.sign will return -1 as for negative number, 1 as for position number, 0 as for zero.
}