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POHow to delay ajax query?
 

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    <p>I read a lot of questions, but they doesn't working in my case. My situation is: my ajax query to database to insert infromation. But in my web-application user can click on buttons very quick so previous ajax query is not finished, and there is where bugs are appear. All i need to do is a delay between queries, so future queries will do only after previous is done. Here is a code:</p> <pre><code>$('#save').click(function(){ var user_input=$('#user').val(); var section=$('#section').val(); $('#loading_info').append('&lt;p&gt;&lt;img src="Images/loading.gif" alt="loading" id="loading"/&gt;&lt;/p&gt;'); $.ajax({ url: 'submit_db.php', type: 'POST', data: 'section='+section+'&amp;user_input='+user_input, success: function(result){ $('#response').remove(); $('#loading_info').append('&lt;p id="response"&gt;' + result + '&lt;/p&gt;'); $('#loading').fadeOut(500, function(){ $(this).remove(); }); } }); return false; }); </code></pre> <p>What i tested and not working: insert timeout:3000 into ajax - 1 query is ok, but after this, the whole application freezes; set timeout using ajaxSetup() - the same situation. Tested setInterval function and put ajax query to it - but after it there were no ajax, application opened an implementing php file and freezes.</p> <p><em>This not working:</em></p> <pre><code>$('#save').click(function(){ var t=setTimeout(function(){ var user_input=$('#user').val(); var section=$('#section').val(); $('#loading_info').append('&lt;p&gt;&lt;img src="Images/loading.gif" alt="loading" id="loading"/&gt;&lt;/p&gt;'); $.ajax({ url: 'submit_db.php', type: 'POST', data: 'section='+section+'&amp;user_input='+user_input, success: function(result){ $('#response').remove(); $('#loading_info').append('&lt;p id="response"&gt;' + result + '&lt;/p&gt;'); $('#loading').fadeOut(500, function(){ $(this).remove(); }); } }); return false; },3000); }); </code></pre> <p>And this is not working too:</p> <pre><code>$('#save').click(function(){ var user_input=$('#user').val(); var section=$('#section').val(); $('#loading_info').append('&lt;p&gt;&lt;img src="Images/loading.gif" alt="loading" id="loading"/&gt;&lt;/p&gt;'); $.ajax({ url: 'submit_db.php', type: 'POST', timeout: 3000, data: 'section='+section+'&amp;user_input='+user_input, success: function(result){ $('#response').remove(); $('#loading_info').append('&lt;p id="response"&gt;' + result + '&lt;/p&gt;'); $('#loading').fadeOut(500, function(){ $(this).remove(); }); } }); return false; }); </code></pre> <p>And finally this is not work too:</p> <pre><code>$.ajaxSetup({ timeout:3000, }); </code></pre> <p>Thanks in advance</p>
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