Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<div ng-controller="MyCtrl">
    <input type="text" data-ng-model="model.magic" />

    <button type="button" data-ng-click="someMethod(model)">Change Magic!</button>
</div>

JavaScript

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

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

function MyCtrl($scope) {
    $scope.model = { magic: 123 };

    $scope.someMethod = function(model) {
        model.magic = 321;
    }
}