Count Operations to Obtain Zero LeetCode solution in JavaScript

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/**
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 * @param {number} num1
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 * @param {number} num2
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 * @return {number}
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 */
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var countOperations = function (num1, num2) {
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  let count = 0;
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  while (num1 !== 0 && num2 !== 0) {
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    if (num1 <= num2) num2 -= num1;
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    else num1 -= num2;
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    count++;
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  }
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  return count;
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};