$(this).parent().parent().index(); aaaaa aaaaa aaaaa aaaaa aaaaa aaaaa bbbbb aaaaa bbbbb click!! aaaaa bbbbb aaaaa bbbbb click!! aaaaa bbbbb aaaaa bbbbb click!! aaaaa bbbbb aaaaa bbbbb click!! $(this).parent(); - td $(this).parent().parent(); - tr $(this).parent().parent().index(); - tr의 인덱스 값
