javascript - I can populate ServiceType but can't get the right values for ServiceName(dependent drop down list) -


how can have right servicename dropdown values based on servicetype dropdown selected values.

$scope.servicetypeandname = [          {         "id":0,        "type":"",        "list":""      },       {         "id":1,        "type":"in-person",        "list":["adl functional assessment", "community functional assessment", "future care cost analysis"]      },       {         "id":2,        "type":"paper review",        "list":["ot - in home assessment - abi", "ot - in home assessment attendant care form 1", "ot - occupational therapy assessment"]                  },       {         "id":3,        "type":"administration",        "list":["situational assessment", "situational assessment (ot) - day 1", "situational assessment (ot) - day 2", "construction cost consulting"]      }    ];      $scope.selectedline = [{"event_id": "100", "service_type": "in-person", "service_name": "community functional assessment"}, {"event_id": "101", "service_type": "paper review", "service_name": "ot - occupational therapy assessment"},{"event_id": "102", "service_type": "in-person", "service_name": "future care cost analysis"}];
<select ng-model="selectedline.service_type" name="servicetype" class="form-control">     <option ng-repeat="temp in servicetypeandname" value="{{temp.type}}">{{temp.type}}</option>  </select>  										  <select ng-model="selectedline.service_name" name="servicename" ng-required="selectedline.service_type!=''" class="form-control">       </select>

for example, if load first object value "in-person" should selected in first dropdown , value "community functional assessment" should selected in second dropdown along corresponding list values , if change first dropdown corresponding list values should populated in second dropdown.

your data structured in way not make easiest, still isn't worst:

working plnkr

basically need find out object in servicetypeandname array matching on. requires filter:

$scope.selectedlinechanged = function () {                      $scope.selectedservicetypeandname = $filter('filter')($scope.servicetypeandname, $scope.selectedline.service_type)[0];            };

here's thing: don't know how plan on loading selected items, ones store in selectedlines array. load items via select box in plnkr.

when top box changed, matches remaining two.

enter image description here


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