AngularJS Error: element is undefined (caused by "undefined") -


i have directive create dropdown dynamically, when renders on page, in firefox , ie 11 below exceptions:

firefox exceptiton:

"error: element undefined (caused "undefined") getaliasedattrname@http://localhost:63342/inventory-client/bower_components/angular/angular.js:3056:7 $compileprovider/this.$get</attributes.prototype.$set@http://localhost:63342/inventory-client/bower_components/angular/angular.js:7179:26 interpolatefnwatchaction@http://localhost:63342/inventory-client/bower_components/angular/angular.js:8547:23 interpolatefnwatcher@http://localhost:63342/inventory-client/bower_components/angular/angular.js:10874:17 watchgroupaction@http://localhost:63342/inventory-client/bower_components/angular/angular.js:15355:13 $rootscopeprovider/this.$get</scope.prototype.$digest@http://localhost:63342/inventory-client/bower_components/angular/angular.js:15683:23 $rootscopeprovider/this.$get</scope.prototype.$apply@http://localhost:63342/inventory-client/bower_components/angular/angular.js:15951:13 ngeventhandler/<@http://localhost:63342/inventory-client/bower_components/angular/angular.js:23303:17 jquery.event.dispatch@http://localhost:63342/inventory-client/bower_components/jquery/dist/jquery.js:4434:15 jquery.event.add/elemdata.handle@http://localhost:63342/inventory-client/bower_components/jquery/dist/jquery.js:4121:6 invoke@http://localhost:63342/inventory-client/bower_components/webcomponentsjs/webcomponents.js:1090:55 dispatchattarget@http://localhost:63342/inventory-client/bower_components/webcomponentsjs/webcomponents.js:1039:14 dispatchevent@http://localhost:63342/inventory-client/bower_components/webcomponentsjs/webcomponents.js:1017:13 dispatchoriginalevent@http://localhost:63342/inventory-client/bower_components/webcomponentsjs/webcomponents.js:973:1 " undefined

ie 11 exception:

typeerror: unable property 'nodename' of undefined or null reference (caused "undefined")    @ getaliasedattrname (http://localhost:63342/inventory-client/bower_components/angular/angular.js:3056:3)    @ attributes.prototype.$set (http://localhost:63342/inventory-client/bower_components/angular/angular.js:7179:13)    @ interpolatefnwatchaction (http://localhost:63342/inventory-client/bower_components/angular/angular.js:8547:23)    @ interpolatefnwatcher (http://localhost:63342/inventory-client/bower_components/angular/angular.js:10874:17)    @ watchgroupaction (http://localhost:63342/inventory-client/bower_components/angular/angular.js:15355:13)    @ scope.prototype.$digest (http://localhost:63342/inventory-client/bower_components/angular/angular.js:15683:23)    @ scope.prototype.$apply (http://localhost:63342/inventory-client/bower_components/angular/angular.js:15951:13)    @ anonymous function (http://localhost:63342/inventory-client/bower_components/angular/angular.js:23303:17)    @ jque

below angualrjs directive code along html:

module.directive('bootstrapdropdown', ['$compile', '$timeout', function ($compile, $timeout) {         return {             restrict: 'e',             require: '^ngmodel',             scope: {                 ngmodel: '=',                 items: '=',                 callback: '&',                 placeholder: '@'             },             link: function (scope, element) {                 scope.$evalasync(function (scope) {                     scope.selectval = function (item) {                         scope.ngmodel = item;                         $('button.dropdown-toggle', element).html(item.name + ' <span class="caret"></span>');                          if (scope.callback) {                             scope.callback({item: item});                         }                     };                      var html = '';                     html += '<div class="form-item dropdown">';                     html += '   <button class="dropdown-select dropdown-toggle" type="button" data-toggle="dropdown" >';                     html += '       {{placeholder}}<span class="caret"></span>';                     html += '   </button>';                     html += '   <ul class="dropdown-menu" role="menu">';                     html += '       <li role="presentation" data-ng-repeat="item in items"><a data-ng-href="" role="menuitem" tabindex="-1" data-ng-click="selectval(item)">{{item.name}}</a></li>';                     html += '   </ul>';                     html += '</div>';                      element.append($compile(html)(scope));                 });             }         };     }]);

html:

<bootstrap-dropdown id="dropdowncondition{{$index}}"                                                                             ng-model="inventory.condition"                                                                             items="getgroups('conditions', $index)"                                                                             ng-init="inventory.condition.name='and'"                                                                             placeholder="and">                                                         </bootstrap-dropdown>


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