<!doctype html>
<html ng-app="event">
<head>
<meta charset="utf-8">
<title>AngularJS Update Parent Scope</title>
</head>
<body>
<div ng-controller="parentCtrl">
The parentProperty value: {{ parentProperty }}
<div ng-controller="childCtrl">
<button ng-click="update()">click me to update parentProperty in parent scope</button>
</div>
</div>
<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.11/angular.min.js"></script>
<script src="event.js"></script>
<!-- tested on 1.0.4 and 1.3.11 -->
</script>
</body>
</html>