javascript - How do I update a view after ng-submit calls a factory function? -


$scope.temp , $scope.description don't have values until ng-submit calls $scope.getweather. can log values after submission, can't update view display them. $scope.test demonstrating view display "this default value" , not update "this new value" when $scope.getweather called. thanks. 

angular.module('forecastctrl', ['weatherservice']) .controller('forecastcontroller', function($http, $scope, weather) {     //var vm = this;      $scope.test = 'this default value';      $scope.getweather = function(postdata) {          weather.get(postdata)             .success(function(data) {                 console.log(data);                 $scope.test = 'this new value';                 $scope.temp = data.query.results.channel.item.condition.temp;                 $scope.description = data.query.results.channel.item.condition.text;             })             .error(function(error) {                 console.log(error);             });          event.preventdefault();     };  // form <form name="getweatherform" action="#" ng-submit="getweather(postdata)" class="small-10 large-6 small-centered large-centered columns">     <div class="row collapse">          <div class="small-9 columns">              <input type="text" placeholder="philadelphia, pa" ng-model="postdata.city">          </div>          <div class="small-3 columns">               <button type="submit" class="button postfix">go</button>          </div>     </div>  </form>   //this factory angular.module('weatherservice', []) .factory('weather', function($http) {     return {         get: function(location) {             location = location.city;             location = location.replace(/\s/g, '');             // error handling             return $http.get('https://query.yahooapis.com/v1/public/yql?q=select%20*%20from%20weather.forecast%20where%20woeid%20in%20(select%20woeid%20from%20geo.places(1)%20where%20text%3d%22'+location+'%22)&format=json&env=store%3a%2f%2fdatatables.org%2falltableswithkeys');         }     } });  // view <main id="content"> <div class="row">     <div class="small-12 large-12 columns">         <section class="wrapper">             {{ test }}             <h1>{{ forecast.temp }}</h1>             <h2>{{ forecast.description }}</h2>         </section>     </div> </div>

the code working, repsonse not have assumed properties when city not provided or wrong city provided. maybe use ng-required, code fail if postdata.city not set

http://plnkr.co/edit/7f3eumyaxtalbr9cgwb0?p=preview

       .success(function(data) {             console.log(data);             $scope.test = 'this new value';             $scope.temp = data.query.results.channel.item.condition.temp;

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