Angular: Empty Fiddle

http://angularjs.org/

HTML

<script src="http://code.angularjs.org/angular-1.0.1.js"></script>
<span>Outside Controller: Your name is: {{user.name}}</span>
<div ng-controller="SignupController">
    <span>Inside Controller: Your name is: {{user.name}}</span>
    <fieldset legend="User details">
        <input ng-model="user.name">
    </fieldset>
</div>

JavaScript

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

app.controller('SignupController', function($scope){$scope.user={name=''});