??? ??? ?????: $scope.myData = "some data";
??? ???? ??? ????<my-directive data-source="myData"></my-directive>
?????? $scope.myData? ???? ?? ??? ??? ?? ???(data-soucre? ?? ?????? ??? ??????. ?????scope.myData? ?? ? ? ????) ??)
??? ?? ?? ??
diecrive?? @
?? ???????. ??? ?????: =attr