<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example - Angularjs radio button checked validation</title>
  
  <script src="//ajax.googleapis.com/ajax/libs/angularjs/1.3.0-beta.14/angular.min.js"></script>
  
</head>
<body ng-app="radioButtonExample">
   <script>
   angular.module('radioButtonExample', [])
     .controller('CtrlRadioButton', ['$scope', function($scope) {
       $scope.gender = ''; //set for default value

       $scope.submitForm = function() {
         alert('scussess');
       }
     }]);
 </script>
 <form name="myForm" ng-submit="submitForm()" ng-controller="CtrlRadioButton">
    <h2>Angularjs radio button checked validation</h2>
      
   <input type="radio" ng-model="gender" value="1" ng-required="!gender">  Male <br/>
   <input type="radio" ng-model="gender" value="2" ng-required="!gender"> Female <br/>
   <input type="radio" ng-model="gender" value="3" ng-required="!gender"> Other <br/>
   <br/>
   <button type="submit">Submit</button><br/>
    <br/>
    <br/>
   <tt>For more detail >></tt> <a href="https://www.code-sample.com">https://code-sample.com</a><br/>
  </form>

</body>
</html>
// Code goes here

/* Styles go here */