javascript - How can I get cascading dropdown at level 4? -


here attempt: if user hits territory need display "sales team a" , "sales team b" options.`enter code here: http://plnkr.co/edit/n2a83thk4r0g1zwddb7v?p=preview. 

<!doctype html> <html >   <head>     <meta charset="utf-8">     <link rel='stylesheet prefetch' href='http://maxcdn.bootstrapcdn.com/bootstrap/3.3.4/css/bootstrap.min.css'>     <link rel="stylesheet" href="css/style.css">   </head>    <body>      <div data-ng-app="myapp"  class="container">   <form class="form-horizontal" data-ng-controller="dropdownctrl">       <div class="form-group">       <label for="country" class="col-sm-2 control-label">* </label>       <div class="col-sm-7">                      <select data-ng-model="customer.country"                 data-ng-options="obj.id obj.country obj in countries"                 data-ng-change="getcountrystates()"                 class="form-control"                 data-ng-required="true"                 id="country">           <option value="">-- choose org --</option>         </select>             </div>     </div>      <div class="form-group">       <label for="state" class="col-sm-2 control-label">** </label>       <div class="col-sm-7">                <select data-ng-model="customer.state"                 data-ng-options="x.id x.state x in sates"                 data-ng-change = "getstatecities()"                 class="form-control"                 data-ng-required="true"                 id="state">           <option value="">-- select --</option>         </select>             </div>     </div>       <div class="form-group">       <label for="city" class="col-sm-2 control-label">*** </label>       <div class="col-sm-7">                <select  data-ng-model="customer.city"                  data-ng-options="x.id x.city x in cities"                  data-ng-change = "getstatessales()"                 class="form-control"                  data-ng-required="true"                 id="city">           <option value="">-- select --</option>         </select>             </div>      </div>        <div class="form-group">           <label for="sales" class="col-sm-2 control-label">**** </label>           <div class="col-sm-7">               <select  data-ng-model="customer.sales"                        data-ng-options="x.id x.sales x in mysales"                        class="form-control"                        data-ng-required="true"                        id="sales">                   <option value="">-- select --</option>               </select>           </div>       </div>     </form> </div>     <script src='http://cdnjs.cloudflare.com/ajax/libs/angular.js/1.3.14/angular.min.js'></script>     <script src="js/index.js"></script>   </body> </html>

here index.js file: 

var myapp = angular.module('myapp',[]); myapp.controller('dropdownctrl', ['$scope','customerservice', function($scope, customerservice) {    $scope.countries = customerservice.getcountry();    $scope.getcountrystates = function(){     $scope.sates = customerservice.getcountrystate($scope.customer.country);     $scope.cities =[];     $scope.mysales = [];   }    $scope.getstatecities = function(){ //    debugger;      $scope.cities = customerservice.getstatecity($scope.customer.state);      console.log("hi"); //     console.log($scope.cities);   }    $scope.getstatessales = function(){ //      debugger;        $scope.sales = customerservice.getsaleslist($scope.customer.sales); //     console.log($scope.sales);      }   }]);  myapp.factory("customerservice", ['$filter', function($filter){  var service = {};     var countrylist = [             { "id": 1, "country": "marketing" },             { "id": 2, "country": "sales" },             { "id": 3, "country": "customer service" }     ];    var statelist = [     {"id":1, "state":"marketing team a", "countryid": 1},     {"id":3, "state":"marketing team b", "countryid": 1},     {"id":4, "state":"territories", "countryid": 2}   ];    var citylist = [     {"id":5, "city":"territory a", "stateid": 4},     {"id":6, "city":"territory b", "stateid": 4} ];    var salesteamlist = [    {"id":1, "sales":"sales team a", "salesid": 5},    {"id":2, "sales":"sales team b", "salesid": 5},    {"id":3, "sales":"sales team a", "salesid": 6},    {"id":4, "sales":"sales team b", "salesid": 6}     ];     service.getcountry = function(){         return countrylist;   };    service.getcountrystate = function(countryid){     var states = ($filter('filter')(statelist, {countryid: countryid}));     return states;   };   service.getstatecity = function(stateid){          var items = ($filter('filter')(citylist, {stateid: stateid}));           return items;    };    service.getsaleslist = function(salesid){        var items = ($filter('filter')(salesteamlist, {salesid: salesid}));       return items;       console.log(items);    };    return service;   }]);

you missed 2 points:

i changed here parameter $scope.customer.city

$scope.getstatessales = function(){    $scope.sales = customerservice.getsaleslist($scope.customer.city); }

and in last drop down passed wrong list mysales changed sales in ng-repeat

data-ng-options="x.id x.sales x in sales"

see plunker


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