jQuery: Register a handler to be called when the first Ajax request begins
jQuery Fundamental - I : Exercise-14
Register a handler to be called when the first Ajax request begins.
Note: Set up a basic Ajax load request, attach the event handler to the document. Now make an Ajax request using any jQuery method.
Sample solution :
HTML Code :
<!DOCTYPE html>
<html>
<head>
<script src="https://code.jquery.com/jquery-git.js"></script>
<meta charset="utf-8">
<meta name="viewport" content="width=device-width">
<title>Register a handler to be called when the first Ajax request begins.</title>
</head>
<body>
<div class="jquery">jQuery: Click here</div>
<div class="result"></div>
<div class="log"></div>
</body>
</html>
JavaScript Code :
$( document ).ajaxStart(function() {
$( ".log" ).text( "Triggered ajaxStart handler." );
});
$( ".jquery" ).click(function() {
$( ".result" ).load( "https://www.w3resource.com/jquery-exercises/jq-ajax-test.html" );
});
Used Methods:
- .ajaxStart() : Register a handler to be called when the first Ajax request begins. This is an Ajax Event.
See the Pen jquery-fundamental-exercise-14 by w3resource (@w3resource) on CodePen.
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Previous: Attach a function to be executed before an Ajax request is sent.
Next: Register a handler to be called when all Ajax requests have completed.
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