jQuery获取动态id的办法

在开发中有时候会需要使用jQuery获取动态的id，下面是代码：

<div id="{{hospital.id + 'hospital'}}" class="z_tl z_t2 clearfix z_poaR"               ng-click="openDoctorList(hospital.id,hospital.name)">

$scope.openDoctorList = function (id,hospitalName) {           $scope.uniqueHospitalId = id;           var hospitalId = id + "hospital";           if($scope.cacheHospitalId != id){             $("#"+hospitalId).attr("class","z_tl clearfix z_poaR");           }           if($scope.cacheHospitalId == id){             $("#"+hospitalId).attr("class","z_tl z_t2 clearfix z_poaR");             $scope.doctorList = null;           }         $scope.cacheHospitalId = id;       }