angularjs - checking values against an array -


i newbie struggling angular js.

i trying make questionaire , have following code keep getting feedback incorrect no matter try.

i have assigned numeric value each of 4 buttons, titles of being pulled through array. want check value of selected button against correct answer in array. can tell me going wrong?

html  <div id="ansblock">         <button type="button"  ng-click="myanswer=0">{{options [0]}} </button>         <button type="button"  ng-click="myanswer=1">{{options [1]}}</button>         <button type="button"  ng-click="myanswer=2">{{options [2]}}</button>         <button type="button"  ng-click="myanswer=3">{{options [3]}}</button>            <p>test show button click value working {{myanswer}}</p>     </div>  <button ng-click="checkanswer()">submit</button>  <span ng-show="correctans">that correct!</span> <span ng-show="!correctans">sorry, incorrect answer.</span>         js:    var app = angular.module('quizapp', []);  app.directive('quiz', function (quizfactory) {     return {         restrict: 'ae',         scope: {},         templateurl: 'template.html',         link: function (scope, elem, attrs) {             scope.start = function () {                 scope.id = 0;                 scope.quizover = false;                 scope.inprogress = true;                 scope.getquestion();             };              scope.reset = function () {                 scope.inprogress = false;                 scope.score = 0;             }              scope.getquestion = function () {                 var q = quizfactory.getquestion(scope.id);                 if (q) {                     scope.question = q.question;                     scope.options = q.options;                     scope.answer = q.answer;                     scope.answermode = true;                 } else {                     scope.quizover = true;                 }             };              scope.checkanswer = function () {                            var ans = $('scope.myanswer').val();                  if(ans==scope.options[scope.answer]) {                     scope.score++;                     scope.correctans = true;                 } else {                     scope.correctans = false;                 }                 scope.answermode = false;             };              scope.nextquestion = function () {                 scope.id++;                 scope.getquestion();             }             scope.reset();         }     } });  app.factory('quizfactory', function () {     var questions = [         {             question: "which of following ww2 fighter?",             options: ["albatross", "concorde", "spitfire", "mirage"],             answer: 2         },         {             question: "when great fire of london?",             options: ["1666", "1966", "1844", "1235"],             answer: 0         },         {             question: "which group swedish pop band?",             options: ["eagles", "led zeppelin", "beatles", "abba"],             answer: 3         },         {             question: "which city capita of australia?",             options: ["canberra", "sydney", "melbourne", "hobart"],             answer: 0         },         {             question: "which brand not make motorcycles?",             options: ["bmw", "mercedes", "kawasaki", "honda"],             answer: 1         }     ];      return {         getquestion: function (id) {             if (id < questions.length) {                 return questions[id];             } else {                 return false;             }         }     }; });


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