The ajaxSend( callback ) method attaches a function to be executed whenever an AJAX request is sent. This is an Ajax Event.
Here is the simple syntax to use this method:
$[selector].ajaxSend( callback )
Here is the description of all the parameters used by this method:
callback: The function to execute. The XMLHttpRequest and settings used for that request are passed as arguments to the callback.
Assuming we have following HTML content in /jquery/result.html file:
<h1>THIS IS RESULT...</h1>
Following is a simple example a simple showing the usage of this method.
<html> <head> <script type="text/javascript" src="../../js/jquery-2.2.0.js"></script> <script type="text/javascript" language="javascript"> $(document).ready(function() { /* Global variable */ var count = 0; $("#driver").click(function(event){ $('#stage0').load('/jquery/result.html'); }); /* Gets called when request starts */ $("#stage1").ajaxStart(function(){ count++; $(this).html("<h1>Starts, Count :" + count + "</h1>"); }); /* Gets called when request is sent */ $("#stage2").ajaxSend(function(evt, req, set){ count++; $(this).html("<h1>Sends, Count :" + count + "</h1>"); $(this).append("<h1>URL :" + set.url + "</h1>"); }); /* Gets called when request complete */ $("#stage3").ajaxComplete(function(event,request,settings){ count++; $(this).html("<h1>Completes, Count :" + count + "</h1>"); }); }); </script> </head> <body> <p>Click on the button to load result.html file:</p> <div id="stage0" style="background-color:blue;"> STAGE - 0 </div> <div id="stage1" style="background-color:blue;"> STAGE - 1 </div> <div id="stage2" style="background-color:blue;"> STAGE - 2 </div> <div id="stage3" style="background-color:blue;"> STAGE - 3 </div> <input type="button" id="driver" value="Load Data" /> </body> </html>
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