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jQuery unload()


The jQuery unload() method is used to attach a function to run when a unload event occurs i.e, when a

  • Link is clicked, leaving the current page.
  • Forward or back button is used.
  • New URL is typed in the address bar.
  • The browser window is closed.
  • Page is reloaded.

Syntax:

To trigger the unload event for selected elements.

$(selector).unload()  

To add a function to the unload event.

$(selector).unload(function)  

Function:

  • It is an optional parameter.
  • The function parameter specifies the function to run when the event occurs.

 

Example

<!DOCTYPE html>  
<html>  
<head>  
<script src="https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js"></script>  
<script>  
$(document).ready(function(){  
    $(window).unload(function(){  
        alert("Goodbye!");  
    });  
});  
</script>  
</head>  
<body>  
<p>When you click <a href="https://codesjava.com/">this link</a>, or close the window,  
 unload event will be triggered.</p>  
</body>  
</html>

Try it

JS Bin on jsbin.com

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