javascript - Filter not working on ng-repeat using dropdown options -


i'm trying filter out table using values in dropdowns (system & equipments). whenever try applying filter ng-repeat data table disappears. have applied ng-model values equipment , system dropdowns shown below. want use filter narrow down information in table. have provided necessary code along screenshots of data.

html

 <div class="row">       <div class="form-group col-xs-6" id="syslist">          <label for="selectsys">select system list:</label>          <select class="form-control" id="selectsys" data-ng-model="system">             <option value="" disabled="" selected="" style="display: none">list of systems</option>             <option ng-repeat="d in data">{{d.$id}}</option>          </select>       </div>       <div class="form-group col-xs-6 col-sm-6 col-md-6 col-lg-6" id="equiplist">          <label for="date">select date</label>          <input type="text" class="form-control" id="date" placeholder="day, month, year" onfocus="(this.type='date')" data-ng-model="date"/>       </div>    </div>    <div class="row">       <div class="form-group col-xs-6" id="equiplist">          <label for="selectequ">select equipment list:</label>          <select class="form-control" id="selectequ" data-ng-model="equipment">             <option value="" disabled="" selected="" style="display: none">list of equipments</option>             <option data-ng-repeat="eq in allequipments track $index">{{eq}}</option>          </select>       </div>       <div class="form-group col-xs-6 col-sm-6 col-md-6 col-lg-6" id="type">          <label for="searchtype">search type:</label>          <select class="form-control" id="searchtype" data-ng-model="type">             <option value="" disabled="" selected="" style="display: none">select type of maintenance</option>             <option>corrective maintenance</option>             <option>preventive maintenance</option>             <option>standby</option>          </select>       </div>    </div>     <hr/>    <div class="table-responsive">       <table class="table table-striped table-hover">          <tr>             <th id="system">system</th>             <th id="equipment">equipment</th>             <th id="date">date</th>             <th id="type">type</th>          </tr>          <tr data-ng-repeat="d in allequipments | filter: equipment | filter: system">             <td headers = "system">{{allsystems[$index]}}</td>             <td headers = "equipment">{{d}}</td>             <td headers = "date">date</td>             <td headers = "type">standby</td>          </tr>       </table>    </div> </div>

js

    /*global angular*/ var app = angular.module('sdt', ['ngroute', 'firebase']);  app.config(['$routeprovider', function ($routeprovider) {     'use strict';     $routeprovider.when('/sdt', {         templateurl: 'searchdowntime/sdt.html',         controller: 'sdtctrl'     }); }]);  app.controller('sdtctrl', ['$scope', '$firebaseobject', '$firebasearray', function ($scope, $firebaseobject, $firebasearray) {     'use strict';      $scope.allsystems = [];     $scope.allequipments = [];     var ref = firebase.database().ref();         var data = ref.child("data");         var list = $firebasearray(data);          list.$loaded().then(function(data) {             $scope.data = data;             angular.foreach ($scope.data , function (d) {                 angular.foreach (d.equipments, function (e) {                     $scope.allsystems.push(d.$id);                     $scope.allequipments.push(e.equipment);                     console.log($scope.allequipments);                     console.log($scope.allsystems);                 })             });             console.log($scope.data);         }).catch(function(error) {             $scope.error = error;         });      $scope.onsystemchange = function(item){    } }]);

enter image description here

i suggest call function onchange of dropdown, in function filter list allequipments(copy of allequipments) , use copied list in ng-repeat.


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