js reverse number

// 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

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4.5

4

Koogly 85 points

                                    function reverseInt(n) {
  let reversed = n.toString().split(&quot;&quot;).reverse().join(&quot;&quot;);
  //from string to integer
  reversed = parseInt(reversed);

  if (n &lt; 0) {
    return reversed * -1;
  }

  return reversed;
}

Thank you! 4

4.5 (4 Votes)

0

3.86

7

Malfist 100 points

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

Thank you! 7

3.86 (7 Votes)

0

4.25

8

P VV 60 points

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

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

Thank you! 8

4.25 (8 Votes)

0

4.17

6

Matt Wilko 85 points

                                    function reverse_a_number(n)
{
	n = n + &quot;&quot;;
	return n.split(&quot;&quot;).reverse().join(&quot;&quot;);
}
console.log(reverse_a_number(32243));

Thank you! 6

4.17 (6 Votes)

0

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