Longest Common Prefix LeetCode solution in JavaScript

1
var longestCommonPrefix = function (strs) {
2
  let commonStr = strs[0];
3
  for (let i = 1; i < strs.length; i++) {
4
    let currentStr = strs[i];
5
    for (let j = 0; j < commonStr.length; j++) {
6
      if (commonStr[j] !== currentStr[j]) {
7
        commonStr = currentStr.slice(0, j);
8
        break;
9
      }
10
    }
11
  }
12
  return commonStr;
13
};