Delete Columns to Make Sorted LeetCode solution in JavaScript

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/**
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 * @param {string[]} strs
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 * @return {number}
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 */
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var minDeletionSize = function (strs) {
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  let count = 0;
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  for (let i = 0; i < strs[0].length; i++) {
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    for (let j = 0; j < strs.length - 1; j++) {
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      if (strs[j].charAt(i) > strs[j + 1].charAt(i)) {
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        count++;
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        break;
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      }
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    }
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  }
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  return count;
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};