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POHow to build Facebook style Ajax site
 

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  1. POHow to build Facebook style Ajax site
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    <p>I understand that the title is a little vague and all-encompassing, so please let me try to narrow it down.</p> <p>What I would like is advice on how to develop a mostly Ajax website, where portions of the UI are asynchronously loaded. Here's the catch: I'd like to have the browser back/forward buttons work intuitively - something that Facebook has accomplished very well.</p> <p>Does anyone know what libraries and design patterns Facebook uses? Considering that they've done an excellent job, it would make a lot of sense to use them as a model, as opposed to trying to reinvent the wheel. </p> <p>I've noticed that there's a lot going on in the url hash: <br/> <a href="http://www.facebook.com/home.php?#!/home.php?sk=bd" rel="nofollow noreferrer">http://www.facebook.com/home.php?#!/home.php?sk=bd</a></p> <p>I'm sure that there has to be a good reason for them doing this, and I wouldn't be surprised if it's something I could make use of. Can someone point out what they're accomplishing here, and what each parte of that <code>?#!/home.php?sk=bd</code> is used for? I'm particularly surprised to see the <code>home.php?sk=bd</code>, when the original page that was loaded is <code>home.php</code> - is that perhaps their way of allowing links to specific "pages", despite the entire thing being served by <code>home.php</code>?</p> <p>It's not so important that each question be addressed - I'm really just trying to communicate what it is that I'm having trouble understanding - the "bigger picture", if you will. If someone can give me a more holistic answer, that would be awesome (especially if you can tell me how this might accomplished using ASP.NET MVC).</p> <p>Thanks in advance!</p>
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    1. CONot an answer but I believe duplicating the path in the hash is a solution for users without scripting to see some related page if not the right one after clicking a link/bookmark.
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      1. POHow to build Facebook style Ajax site
      1. USCamilo Martin
    2. COOh and by the way that #! is an unescape that Google uses. It's quite important to note it since you'll be making an AJAX site. More info here: http://searchengineland.com/googles-proposal-for-crawling-ajax-may-be-live-34411 note that of course it *already works*.
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      1. USCamilo Martin
    3. COThe purpose for the "#!" is so that the URL can be modified with Javascript without the browser forcing a page reload. This way, you can modify the browser URL to match your AJAX calls without the page reloading.
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