Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
 <select ng-model="site" ng-change="getAll()">
  <option value="SG1">SG1</option>
  <option value="PZ1">PZ1</option>
  <option value="NE1">NE1</option>
</select>
</div>

JavaScript

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

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

function MyCtrl($scope) {
    $scope.getAll = function() {
    	alert($scope.site);
    };
}