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PORefresh the content without page refresh
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  1. PORefresh the content without page refresh
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    copied!<p>hello i have developed the chat application using socket.io, expressjs and mongoose it works fine. it refreshes after some seconds and fetches new clients from db if exist. problem is that user can feel that div is refreshsing.and also some time take soem time in response. how to avoid this case. here is my code <strong>This is my server side code</strong></p> <pre><code> setInterval(function () { var allOnLine; allOnLine = io.sockets.clients(); for (var client in allOnLine) { if (allOnLine[client].username == "undefined") { continue; } else { notifyAll(allOnLine[client].username); } } }, 50000); </code></pre> <p>and here is notify all method</p> <pre><code>function notifyAll(userName) { contactModel.find({'userId':userName}, (function (err, contactModel) { usernames = []; var contacts = contactModel; for (var a = 0; a &lt; contacts.length; a++) { usernames[a] = contacts[a].contactId; } var allOnLine; allOnLine = io.sockets.clients(); for (var client in allOnLine) { if (allOnLine[client].username == "undefined") { continue; } else { for (var i = 0; i &lt; usernames.length; i++) { if (allOnLine[client].username == usernames[i]) { usernames[i] = usernames[i] + " -On"; } allOnLine[client].username); } } } io.sockets.to(userName).emit('updateusers', usernames); })); } </code></pre> <p><strong>This is my client code</strong></p> <pre><code>socket.on('updateusers', function(usernames) { jQuery('#usernames').html(''); jQuery.each(usernames, function(key, value) { jQuery('#usernames').append('&lt;div class="chatContact" id="chatLink" onclick="privateChat(\''+value+'\')"&gt;' ); }} </code></pre> <p>any help i had also posted this question but no answer</p>
 

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