code: function areDefined() {
          var objects = Array.prototype.slice.call(arguments);
          for (var i = 0; i < objects.length; i++) {
              if (objects[i] !== null && typeof objects[i] === 'undefined')
                  return false;
          }
          return true;
      }
docs: Determine if all of the provided object arguments are defined. Useful for argument
  validation within functions.
  
  @param {object} objects* - A variadic number of object arguments to check
  @return {boolean}