Exercise 4.1 Using a Service

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******************************************INDEX.HTML*****************************************************
<!doctype html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example - example-services-usage-production</title>


  <script src="//code.angularjs.org/snapshot/angular.min.js"></script>
  <script src="script.js"></script>



</head>
<body ng-app="myServiceModule">
  <div id="simple" ng-controller="MyController">
  <p>Let's try this simple notify service, injected into the controller...</p>
  <input ng-init="message='test'" ng-model="message" >
  <button ng-click="callNotify(message);">NOTIFY</button>
  <p>(you have to click 3 times to see an alert)</p>
</div>
</body>
</html>
******************************************INDEX.HTML*****************************************************
******************************************Protractor.js***************************************************

it('should test service', function() {
  expect(element(by.id('simple')).element(by.model('message')).getAttribute('value'))
      .toEqual('test');
});
******************************************Protractor.js*****************************************************
********************************************SCRIPT.JS***************************************************
(function(angular) {
  'use strict';
angular.
 module('myServiceModule', []).
  controller('MyController', ['$scope', 'notify', function($scope, notify) {
    $scope.callNotify = function(msg) {
      notify(msg);
    };
  }]).
 factory('notify', ['$window', function(win) {
    var msgs = [];
    return function(msg) {
      msgs.push(msg);
      if (msgs.length === 3) {
        win.alert(msgs.join('\n'));
        msgs = [];
      }
    };
  }]);
})(window.angular);
********************************************SCRIPT.JS***************************************************

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