Group Objects by Property

by Jithin Raj P R

JavaScript

const num = -12345;

function stringReverse(num) {
 const sign = Math.sign(num);
 const reverseNum = Number(Math.abs(num).toString().split('').reverse().join(''))

 return sign * reverseNum;
}

console.log(stringReverse(num));

// output 
//  "-54321"