Answers for "reverse negative number js"

6

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
Posted by: Guest on March-12-2020
1

Reverse a number in JavaScript

let rev = 0;
let num = 123456;
let lastDigit;

while(num != 0){
	lastDigit = num % 10;
  rev = rev * 10 + lastDigit;
  num = Math.floor(num/10);
}

console.log("Reverse number : "+rev);
Posted by: Guest on November-13-2021

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