Minimum Changes To Make Alternating Binary String LeetCode solution in JavaScript

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/**
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 * @param {string} s
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 * @return {number}
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 */
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var minOperations = function (s) {
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  let counter1 = 0;
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  let counter2 = 0;
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  for (let i = 0; i < s.length; i++) {
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    if (i % 2 === 0) {
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      if (s[i] === "0") {
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        counter1++;
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      }
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      if (s[i] === "1") {
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        counter2++;
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      }
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    }
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    if (i % 2 === 1) {
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      if (s[i] === "1") {
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        counter1++;
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      }
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      if (s[i] === "0") {
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        counter2++;
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      }
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    }
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  }
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  return Math.min(counter1, counter2);
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};