code: function () {
  				var sUuid = 'xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx'.replace(/[xy]/g, function (sPosition) {
  					var iRandom = Math.random() * 16 | 0;
  
  					if (sPosition === 'y') {
  						iRandom = iRandom & 0x3 | 0x8;
  					}
  
  					return iRandom.toString(16);
  				});
  
  				return sUuid;
  			}
docs: Generates v4 uuid (based on random numbers).
  @return {string} The generated v4 uuid