javascript - Double braces in angular not evaluating , going through as text -


i have following code in angular.

<div vh-accordion-group id="{{$index}}" panel-class="panel-info">     <div vh-accordion-header> </div>     <div vh-accordion-body>   </div> </div>

the html accordion-group :

<div class="panel panel-info" ng-transclude>  </div>

also, js same :

home.directive("vhaccordiongroup", ['version', function (version) { return {     restrict: 'ea',     replace: true,     transclude: true,     scope: {         panelclass: '@'     },     templateurl: "js/homemodule/directives/vhaccordion/vhaccordiongroup.html?v=" + version,     controller: ['$scope', '$element', function ($scope, $element) {         $scope.accordionid = $element.attr("id") + "vhacc";          this.getaccordionid = function () {             return $scope.accordionid;         };     }],     link: function (scope, element, attrs, vhaccordiongroupcontroller) {         element.addclass(scope.panelclass);         scope.accordionid = element.attr("id") + "vhacc";     } }; }]);

these accordions called in loop using ng-repeat.
problem {{$index}} passing in id being taken string rather expression. need each of accordions have unique id can open , close correctly.

please let me know missing, newbie angular.

simply add id isolated scope:

home.directive("vhaccordiongroup", ['version', function (version) { return {     restrict: 'ea',     replace: true,     transclude: true,     scope: {         panelclass: '@',         id: '@'     },     templateurl: "js/homemodule/directives/vhaccordion/vhaccordiongroup.html?v=" + version,     controller: ['$scope', '$element', function ($scope, $element) {         $scope.accordionid = $scope.id + "vhacc";          this.getaccordionid = function () {             return $scope.accordionid;         };     }],     link: function (scope, element, attrs, vhaccordiongroupcontroller) {         element.addclass(scope.panelclass);         scope.accordionid = scope.id + "vhacc";     } }; }]);

then, use $scope.id (and scope.id) instead of $element.attr. $element.attr gives access actual dom element , makes sense value not interpolated.


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