joerx/index.html

## index.html
<!DOCTYPE html>
<html class="no-js" ng-app="myApp">
  <head>
  <meta charset="utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
  <title>sp-directives</title>
  <meta name="description" content="">
  <meta name="viewport" content="width=device-width, initial-scale=1">

  <link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/3.0.2/normalize.min.css"/>
  <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
  <script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>

</head>
<body >
  <div ng-controller="oneController">
    <button type="button" ng-click="emitEvent()">Click Me!</button>
  </div>
  <div ng-controller="twoController">
    <p>{{info.message}}</p>
  </div>
  <div ng-controller="threeController">
  </div>

  <script type="text/javascript">

  (function() {

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

    app.controller('oneController', function($scope) {
      var counter = 0;
      $scope.emitEvent = function() {
        console.log('click!');
        counter += 1;
        $scope.$emit('buttonClick', {count: counter});
      }
    });

    app.controller('twoController', function($scope, $rootScope) {
      $scope.info = {
        message: 'Nothing happened yet'
      }
      $rootScope.$on('buttonClick', function(evt, data) {
        console.log('was clicked!');
        console.log(arguments);
        $scope.info.message = 'Button was clicked ' + data.count + ' time(s)';
      });
    });

    app.controller('threeController', function($scope, $rootScope) {
      $scope.$on('buttonClick', function() {
        console.log('click received on controller scope');
      });
      $rootScope.$on('buttonClick', function() {
        console.log('click received on root scope');
      });
    });

  })();

  </script>
</body>
</html>
	<!DOCTYPE html>
	<html class="no-js" ng-app="myApp">
	<head>
	<meta charset="utf-8">
	<meta http-equiv="X-UA-Compatible" content="IE=edge,chrome=1">
	<title>sp-directives</title>
	<meta name="description" content="">
	<meta name="viewport" content="width=device-width, initial-scale=1">

	<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/normalize/3.0.2/normalize.min.css"/>
	<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.3/jquery.min.js"></script>
	<script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.3.14/angular.min.js"></script>

	</head>
	<body >
	<div ng-controller="oneController">
	<button type="button" ng-click="emitEvent()">Click Me!</button>
	</div>
	<div ng-controller="twoController">
	<p>{{info.message}}</p>
	</div>
	<div ng-controller="threeController">
	</div>

	<script type="text/javascript">

	(function() {

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

	app.controller('oneController', function($scope) {
	var counter = 0;
	$scope.emitEvent = function() {
	console.log('click!');
	counter += 1;
	$scope.$emit('buttonClick', {count: counter});
	}
	});

	app.controller('twoController', function($scope, $rootScope) {
	$scope.info = {
	message: 'Nothing happened yet'
	}
	$rootScope.$on('buttonClick', function(evt, data) {
	console.log('was clicked!');
	console.log(arguments);
	$scope.info.message = 'Button was clicked ' + data.count + ' time(s)';
	});
	});

	app.controller('threeController', function($scope, $rootScope) {
	$scope.$on('buttonClick', function() {
	console.log('click received on controller scope');
	});
	$rootScope.$on('buttonClick', function() {
	console.log('click received on root scope');
	});
	});

	})();

	</script>
	</body>
	</html>