code: function(target) {
  		var undef;
  
  		each(arguments, function(arg, i) {
  			if (i > 0) {
  				each(arg, function(value, key) {
  					if (value !== undef) {
  						if (typeOf(target[key]) === typeOf(value) && !!~inArray(typeOf(value), ['array', 'object'])) {
  							extend(target[key], value);
  						} else {
  							target[key] = value;
  						}
  					}
  				});
  			}
  		});
  		return target;
  	}
docs: Extends the specified object with another object.
  
  @method extend
  @static
  @param {Object} target Object to extend.
  @param {Object} [obj]* Multiple objects to extend with.
  @return {Object} Same as target, the extended object.