reverse number in js code example

Example 1: reverse number javascript

// Function to reverse Number
function reverseNum(n) {
  let r = n.toString().split('').reverse().join('');
  return Math.sign(n) * parseInt(r);
}

// Call
reverseNum(-267);
reverseNum(31522);

// Outputs
-762
22513

Example 2: reverse int js

function reverseInt(n) {
  const reversed = n.toString().split("").reverse().join(""); 

  return parseInt(reversed) * Math.sign(n);
}

Example 3: reverse number in js

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

Example 4: js reverse number

const reversedNum = num => parseFloat(num.toString().split('').reverse().join('')) * Math.sign(num)