AngularJS Example

HTML

<div ng-app="App">
  <form name="myForm" ng-controller="Ctrl"> 
      
      <input type="checkbox" ng-model="testc" /> {{getText()}}	<br />
      
      {{getNumber()}}
   </form>
</div>

CSS

</style> <!-- Ugly Hack to make remote files preload in jsFiddle --> 
<script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.2.0-rc.2/angular.min.js"></script>
<style>

JavaScript

angular.module('App', []);

function Ctrl($scope) {
    $scope.testc = false;
    $scope.getText = function() { return $scope.testc ? "Yes" : "No"; };
    $scope.getNumber = function() { return $scope.testc ? 8 : 1; };
}