Count Asterisks LeetCode solution in JavaScript

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var countAsterisks = function (s) {
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  let green = true,
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    count = 0;
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  for (let i = 0; i < s.length; i++) {
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    if (green && s[i] == "*") {
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      count++;
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    }
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    if (s[i] == "|") {
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      green = !green;
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    }
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  }
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  return count;
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};