Hi
In my application(1.3.17 version), we have lot of dropdowns in HTML Pages
which were created as a part of custom directive(Here the drop down is
created with the help of custom directive). The data in the dropdowns are
being filled with the data which we receive as a part of Rest API Call. We
observed that when we navigate from page which contains drop down to home
page , we see that memory is still being held by the references and thus
causing lot of memory leak.
Please find details below :
1)File from where custom dropdown will be called :
< customDropDown value="request.getID" list="getID"></ customDropDown >
2)customDropDown.directive.js:
function customDropDown() {
return {
restrict: 'E',
scope: {
id: '@',
list: '@',
value: '=',
form: '=',
disabled: '@',
empty: '@'
},
templateUrl: 'customDropDown.html',
controller: function($scope, $rootScope) {
$scope.disabled = $scope.disabled ? ($scope.disabled === 'true')
: false;
$scope.empty = $scope.empty ? ($scope.empty === 'true') : true;
$scope.model = {value: $scope.value };
//Instead of APi call, I am just Hard Coding
couple of value ("List" as query parameter in API Call and the data which
we receive will be huge
$scope.item=
{"id":1,"name":"one","value":"one"},{"id":2,"name":"two","value":"two"},{"id":3,"name":"three","value":"three"};
});
}
};
}
})();
3)customDropDown.html:
<select id="{{id}}" name="{{id}}" class="form-control"
ng-model="model.value" ng-options="item.id as item.name for item in items |
unique:'name'" {{required}} ng-disabled="{{disabled}}"><option value=""
ng-show="{{empty}}"></option></select>
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