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    <p>UPDATED:</p> <p>Have one method on an interval that sets up the 'session'/local-storage</p> <pre><code>var refreshing = false; var intervalID; $(document).ready(function(e){ var delay = 1234; intervalID = window.setInterval(setupInterval, delay); }); function setupInterval(){ refreshing = true; $.ajax(URL).done(function(r) { //do stuff setupStorage(r); refreshing = false; }); } function setupStorage(info){ //setup whatever here } </code></pre> <p>OLD:</p> <p>Could you use some logic in your ready function to gate what you need to do?</p> <p>So basically call one ajax call -> if false, just schedule your latter methods, otherwise run the setup one and on completion schedule the latter method. </p> <p>Some pseudo-code:</p> <pre><code>var refresh = false; $(document).ready(function(e){ $.ajax(URL).done( function(r) { if(r) { routeOne(); } else { latter(); } }); }); function routeOne(){ $.ajax(URL).done(function(r) { //do stuff latter(); }); } function latter(){ //All other ajax calls } </code></pre> <p>I'll put some more thought into this let me finish my coffee first...</p> <p>EDIT:</p> <p>Based on your updated description could it be possible for you to schedule a setInterval to run the checking method/hash update on the time interval that you need, and is the time interval on your server static or variable? Facebook does this with a heartbeat, I've used this type of logic with some 'locking' functionality in a web-app. If you schedule the interval properly it should not interrupt any other ajax calls.</p>
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    1. POSending an AJAX call before all other AJAX calls
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    1. USZach Leighton
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    1. COupdated my question with better description.
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    2. COI updated my answer a bit, but I think DustMason's comment makes a lot of sense.. you want to avoid authentication on the client side. Maybe I'm missing something but you should probably just set up session variables and use that for authenticating the user. Sessions can have timeouts and you could combine the session with a heartbeat to have the best of both worlds here.
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    3. COI am working on an hybrid mobile app though, no access at all to sessions.
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