Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/angular.js/1.5.0-beta.2/angular.js"></script>
<div ng-controller="MyCtrl">
  Hello, {{(name) ? '123' : 'ss'}}!
  Hello, {{name || 'ss'}}!
  
  <div id="{{name || 'test'}}">test</div>
</div>

CSS

#test{
  color: red;
}

#Superhero{
  color: green;
}

JavaScript

var myApp = angular.module('myApp',[]);

//myApp.directive('myDirective', function() {});
//myApp.factory('myService', function() {});

function MyCtrl($scope) {
    $scope.name = 'Superhero';
}