Dependent Dropdown List with AngularJS

Here the simple AngularJS tutorial on creating Cascading DropDownList with Angular JS.

<!DOCTYPE html>
<html>
        <head>
        <script type="text/javascript" src="http://ajax.googleapis.com/ajax/libs/angularjs/1.0.7/angular.min.js"></script>
        <script>
            function CountryController($scope) {
                $scope.countries = {
                    'India': {
                        'Andhra Pradesh': ['Vijayawada', 'Guntur', 'Nellore', 'Kadapa'],
                        'Madhya Pradesh': ['Hyderabad', 'Warangal', 'Karimnagar'],  
                    },
                    'USA': {
                      'San Francisco': ['SOMA', 'Richmond', 'Sunset'],
                      'Los Angeles': ['Burbank', 'Hollywood']
                    },
                    'Australia': {
                        'New South Wales': ['Sydney','Orange','Broken Hill'],
                        'Victoria': ['Benalla','Melbourne']
                    }
                };
            }
        </script>
        </head>
        <body>
        <div ng-app class="container">
          <div ng-controller="CountryController">
            <div class="form-group">
              <label class="control-label" for="Country">Country:</label>
              <select class="form-control input-lg" id="country" ng-model="states" ng-options="country for (country, states) in countries">
                <option value=''>Select</option>
              </select>
            </div>
            <div class="form-group">
              <label class="control-label" for="States">States:</label>
              <select class="form-control input-lg" id="state" ng-disabled="!states" ng-model="cities" ng-options="state for (state,city) in states">
                <option value=''>Select</option>
              </select>
            </div>
            <div class="form-group">
              <label class="control-label" for="City">City:</label>
              <select class="form-control input-lg" id="city" ng-disabled="!cities || !states" ng-model="city" ng-options="city for city in cities">
                <option value=''>Select</option>
              </select>
            </div>
          </div>
        </div>
</body>
</html>

<!DOCTYPE html>

<html>

<head>

function CountryController($scope) {

$scope.countries = {

'India': {

'Andhra Pradesh': ['Vijayawada', 'Guntur', 'Nellore', 'Kadapa'],

'Madhya Pradesh': ['Hyderabad', 'Warangal', 'Karimnagar'],

'USA': {

'San Francisco': ['SOMA', 'Richmond', 'Sunset'],

'Los Angeles': ['Burbank', 'Hollywood']

'Australia': {

'New South Wales': ['Sydney','Orange','Broken Hill'],

'Victoria': ['Benalla','Melbourne']

}

};

}

</script>

</head>

<body>

<label class="control-label" for="Country">Country:</label>

<option value=''>Select</option>

</select>

</div>

<label class="control-label" for="States">States:</label>

<option value=''>Select</option>

</select>

</div>

<option value=''>Select</option>

</select>

</div>

</body>

</html>

Demo

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Arjun

I am Arjun from Hyderabad (India). I have been working as a software engineer from last 7+ years, and its my passion to learn new things and implement them as a practice. Aside from work, I likes gardening and spending time with pets.