We are required to write Number.prototype.reverse() function that returns the reversed number of the number it is used with.
For example −
234.reverse() = 432; 6564.reverse() = 4656;
Let’s write the code for this function. We will use a recursive approach like this −
Example
const reverse = function(temp = Math.abs(this), reversed = 0, isNegative =
this < 0){
if(temp){
return reverse(Math.floor(temp/10), (reversed*10)+temp%10,isNegative);
};
return !isNegative ? reversed : reversed*-1;
};
Number.prototype.reverse = reverse;
const n = -12763;
const num = 43435;
console.log(num.reverse());
console.log(n.reverse());Output
The output in the console will be −
53434 -36721