AngularJS example of service and factory

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

app.controller('MainCtrl', function($scope) {
  $scope.name = 'World';
});


/* implementation 1 with service */
/*
app.service("Posts", function() {
  this.getAll = function() {
    return [{title: "hello world"}, 
            {title: "post no 2"},
            {title: "last post"}];
  }
});
*/

/* implementation 2 with factory */
app.factory("Posts", function() {
  var fac = {};
  fac.getAll = function() {
    return [{title: "hello world"}, 
            {title: "post no 2"},
            {title: "last post"}];
  }
  
  return fac;
});



app.controller('postCtrl', function($scope, Posts) {
  $scope.posts = Posts.getAll();
});

<!DOCTYPE html>
<html ng-app="blogApp">

  <head>
    <meta charset="utf-8" />
    <title>AngularJS factory</title>
    <script>document.write('<base href="' + document.location + '" />');</script>
    <link href="style.css" rel="stylesheet" />
    <script data-semver="1.2.25" src="https://code.angularjs.org/1.2.25/angular.js" data-require="angular.js@1.2.x"></script>
    <script src="app.js"></script>
  </head>

  <body>
    This is an example for angularjs service and factory.
    <div ng-controller="MainCtrl">
      <p>Hello {{name}}!</p>
    </div>
    <div ng-controller="postCtrl">
      <ul>
        <li ng-repeat="post in posts">{{post.title}}</li>
      </ul>
    </div>
  </body>

</html>

/* Put your css in here */

li {
  font-size: 15px;
  color: #11a;
}