jQuery ajaxStart() Method

jQuery ajaxStart() Method

jQuery will trigger the ajaxStart() method when the first Ajax request begins.

Example

HTML Online Compiler
<!DOCTYPE html> <html lang="en-US"> <head> <script src="https://ajax.googleapis.com/ajax/libs/jquery/3.5.1/jquery.min.js"></script> </head> <body> <h1>jQuery ajaxStart() Method</h1> <p>Click on the button to start ajax request.</p> <button>Click Me</button> <script> $(document).ready(function(){ $("button").click(function(){ $.get("/greet.php",function(data){ alert(data); }); }); $(document).ajaxStart(function() { alert("AJAX request started."); }); }); </script> </body> </html>

Syntax

$.ajaxStart(callback);

Parameter Values

ValueTypeExplanation
callbackOptionalSpecifies a function to be executed when ajax request starts.

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