Number of Steps to Reduce a Number to Zero LeetCode solution in JavaScript

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var numberOfSteps = function (num) {
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  let steps = 0;
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  while (num > 0) {
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    if (num % 2 === 0) {
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      num = num / 2;
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      steps++;
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    }
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    if (num % 2 === 1) {
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      num--;
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      steps++;
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    }
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  }
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  return steps;
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};