JSFiddle - React, Tailwind, and code Playground

by Arvind Pal

JavaScript

function reverseInt(n) {
  //   const reversed = n.toString().split("").reverse().join("");
  //   return parseInt(reversed) * Math.sign(n);
  let rev = 0;
  let num = n;
  let lastDigit;
  while (num != 0) {
    lastDigit = num % 10;
    console.log(lastDigit)
    rev = rev * 10 + lastDigit;
    num = Math.floor(num / 10);
  }
  return rev;
}
console.log("reverseInt", reverseInt(234))