javascript - AngularJS: Checking the radio button and added a new partial at the end -

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i have been using angularjs while now. have radio button gives users option , json data has value of correct answers. want check number of correct answers user has provided(after user clicks 'submit button') , display @ end of test. how achieve it?

controllers.js

var testcontrollers = angular.module('testcontrollers', []);    testcontrollers.controller('ansacontroller', ['$scope', function($scope) {   $scope.check = function check(){     alert("he");   }; }]); testcontrollers.controller('listcontroller', ['$scope', '$http', function($scope, $http) {   $http.get('js/data.json').success(function(data) {     $scope.questions = data;     $scope.artistorder = 'name';   }); }]);  testcontrollers.controller('detailscontroller', ['$scope', '$http','$routeparams' ,function($scope, $http, $routeparams) {   $http.get('js/data.json').success(function(data) {     $scope.questions = data;     $scope.whichitem = $routeparams.itemid;     $scope.parseint = parseint;     if($routeparams.itemid > 0){         $scope.previtem = number($routeparams.itemid) - 1;     }     else{         $scope.previtem = $scope.questions.length - 1;     }       if($routeparams.itemid < $scope.questions.length-1){         $scope.nextitem = number($routeparams.itemid) + 1;     }     else{         $scope.nextitem = 0;     }   }); }]);

json data:

[{     "pos": "a",     "val": "3" }, {     "pos": "b",     "val": "6" }, {     "pos": "c",     "val": "9" }, {     "pos": "d",     "val": "0" }, {     "answer": "b" }]

html:

    <link rel="stylesheet" href="css/common.css" /> <section class="artistinfo" ng-controller = "ansacontroller">     <div class="mcq" ng-model = "questions">       <center><a href = "#details/{{previtem}}" class = "button">prev</a>       <a href = "#details/{{nextitem}}" class = "button">next</a></center>       <div class = "qanda">         <h3 class = "qnum">question {{parseint(whichitem)+1}}</h3>         <p class = "ques" math-jax-bind = "questions[whichitem].ques"></p>             <ul ng-show = "tab!= 1 || selopt==null">               <li class= "optlist" ng-repeat="item in questions[whichitem].opts">               <label class="formgroup">               <input type="radio" name = "q" ng-model = "$parent.selopt" value = "{{item.pos}}"><span math-jax-bind = "item.val"></span>              </label>              </li>              <center><button class = "button" ng-click = "tab = 1" ng-click = "check();"></button></center>          </ul>         <div ng-show = "selopt !=null">             <p class = "ques" ng-show = "tab === 1">your answer has been recorded! </p>         </div>               <p class = "ques">you've chosen: {{selopt}}</p>       </div>       <center><a href = "#list" class = "button">list view</a></center>     </div>   </section>


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