code: function (hexStr) {
              // Shortcut
              var hexStrLength = hexStr.length;
  
              // Convert
              var words = [];
              for (var i = 0; i < hexStrLength; i += 2) {
                  words[i >>> 3] |= parseInt(hexStr.substr(i, 2), 16) << (24 - (i % 8) * 4);
              }
  
              return new WordArray.init(words, hexStrLength / 2);
          }
docs: Converts a hex string to a word array.
  
  @param {string} hexStr The hex string.
  
  @return {WordArray} The word array.
  
  @static
  
  @example
  
  var wordArray = CryptoJS.enc.Hex.parse(hexString);