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    <h2>JS</h2> <ol> <li><p>Your service is injected as <code>serv</code> in your controllers but you call <code>aService</code>. Use <code>serv</code> instead. </p></li> <li><p>You should use <code>rootMod.service()</code> instead of <code>rootMod.factory()</code> since you are using <code>this</code> and not returning anything in your service function (see <a href="https://stackoverflow.com/a/15914263/1796523">this</a> for the difference between factories and services).</p></li> <li><p>There is no <code>serv.foo</code> property. You have to add <code>this.foo = /** something **/;</code> to your service function.</p></li> </ol> <p>So this should work:</p> <pre><code>var rootMod = angular.module('rootMod', []); rootMod.controller('pageOneCont', [ 'serv', '$scope', function (serv, $scope) { 'use strict'; // Your controller implementation goes here ... $scope.handleClick = function ($scope, serv){ var updateFoo = function(){ $scope.foo = serv.foo; }; serv.registerObserverCallback(updateFoo); // service now in control of updating foo }; }]); rootMod.controller('pageTwoCont', [ 'serv', '$scope', function (serv, $scope) { 'use strict'; // Your controller implementation goes here ... $scope.handleClick = function ($scope, serv){ var updateFoo = function(){ $scope.foo = serv.foo; }; serv.registerObserverCallback(updateFoo); // service now in control of updating foo }; }]); /* Service */ rootMod.service('serv', [ function () { var observerCallbacks = []; // call this when you know 'foo' has been changed var notifyObservers = function(){ angular.forEach(observerCallbacks, function(callback){ callback(); }); }; // initialize foo here this.foo = ''; // register an observer this.registerObserverCallback = function(callback){ observerCallbacks.push(callback); }; }]); </code></pre> <h2>HTML</h2> <p>You put the <code>ng-view</code> container outside of the <code>body</code>. It has to be inside. Also the path to a view starts with <code>#/</code> so you have to change your links.</p> <pre><code>&lt;!doctype html&gt; &lt;html lang="en" ng-app="routeApp"&gt; &lt;head&gt; &lt;script src="lib/angular/angular.js"&gt;&lt;/script&gt; &lt;script src="lib/angular/angular-route.js"&gt;&lt;/script&gt; &lt;script src="js/app.js"&gt;&lt;/script&gt; &lt;script src="js/controllers.js"&gt;&lt;/script&gt; &lt;/head&gt; &lt;body&gt; &lt;li&gt;&lt;a href="#/pat1"&gt; ONE &lt;/a&gt;&lt;/li&gt; &lt;li&gt;&lt;a href="#/pat2"&gt; TWO &lt;/a&gt;&lt;/li&gt; &lt;!-- SinglePage --&gt; &lt;div ng-view&gt;&lt;/div&gt; &lt;/body&gt; &lt;/html&gt; </code></pre> <p>Each view only needs the content that should be placed inside the <code>ng-view</code> container. So you mustn't make a complete HTML document.</p> <p><strong>pat1.html</strong></p> <pre><code>&lt;h1&gt; ONE &lt;/h1&gt; &lt;button ng-click="handleClick"&gt; BROADCAST &lt;/button&gt; &lt;div ng-repeat="item in foo"&gt;{{ item }}&lt;/div&gt; </code></pre> <p><strong>pat2.html</strong></p> <pre><code>&lt;h1&gt; TWO &lt;/h1&gt; &lt;div ng-repeat="item in foo"&gt;{{ item }}&lt;/div&gt; </code></pre>
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    1. COThanks for the input! But i still dont get how i ge the context of the "serv" foo on both pages. With these changes it just resets the foo array when i switch page. Because im just calling {{ foo }}in the html...
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    2. COSee my update. Maybe you could do a small [Fiddle](http://jsfiddle.net/) for this? And what do you intend to do in your application in the first place?
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    3. COJust trying to understand how it woorks, not planning to do annything "real" just yet :P , thanks for the help... but even with these cahnges i get nothing in my service. i know i dont add annything to it annyhwere. But i can't understand how i add stuff to this shared list...
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