code: function sortStrs(strArr) {
      return strArr.sort(function(s1, s2) {
          var lowerCaseS1 = s1.toLowerCase();
          var lowerCaseS2 = s2.toLowerCase();
  
          if (lowerCaseS1 < lowerCaseS2) {
              return -1;
          } else if (lowerCaseS1 > lowerCaseS2) {
              return 1;
          } else {
              return 0;
          }
      });
  }
docs: Sorts an array of strings alphabetically
  @param {Array<String>} strArr - Array of strings to sort
  @return {Array<String>} The sorted array