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    <h2><a href="http://jsfiddle.net/pkozlowski_opensource/PxdSP/14/">JS Fiddle Demo</a></h2> <h2>" Hello world " example with <code>factory</code> / <code>service</code> / <code>provider</code>:</h2> <p><div class="snippet" data-lang="js" data-hide="false"> <div class="snippet-code"> <pre class="snippet-code-js lang-js prettyprint-override"><code>var myApp = angular.module('myApp', []); //service style, probably the simplest one myApp.service('helloWorldFromService', function() { this.sayHello = function() { return "Hello, World!"; }; }); //factory style, more involved but more sophisticated myApp.factory('helloWorldFromFactory', function() { return { sayHello: function() { return "Hello, World!"; } }; }); //provider style, full blown, configurable version myApp.provider('helloWorld', function() { this.name = 'Default'; this.$get = function() { var name = this.name; return { sayHello: function() { return "Hello, " + name + "!"; } } }; this.setName = function(name) { this.name = name; }; }); //hey, we can configure a provider! myApp.config(function(helloWorldProvider){ helloWorldProvider.setName('World'); }); function MyCtrl($scope, helloWorld, helloWorldFromFactory, helloWorldFromService) { $scope.hellos = [ helloWorld.sayHello(), helloWorldFromFactory.sayHello(), helloWorldFromService.sayHello()]; }</code></pre> <pre class="snippet-code-html lang-html prettyprint-override"><code>&lt;script src="https://ajax.googleapis.com/ajax/libs/angularjs/1.2.23/angular.min.js"&gt;&lt;/script&gt; &lt;body ng-app="myApp"&gt; &lt;div ng-controller="MyCtrl"&gt; {{hellos}} &lt;/div&gt; &lt;/body&gt;</code></pre> </div> </div> </p>
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    1. POAngularJS: Service vs provider vs factory
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    1. CODoesn't `this` change context in the `$get` function? - you no longer refer to the instantiated provider in that function.
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    2. CO@Nate: `this` doesn't change context, actually, because what's being called is `new Provider()`.$get(), where `Provider` is the function being passed to `app.provider`. That is to say that `$get()` is being called as a method on the constructed `Provider`, so `this` will refer to `Provider` as the example suggests.
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    3. CO@Brandon Ohh ok that's kindof neat then. Confusing at first glance - thanks for the clarification!
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