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unloaded attribute is triggered when the web page is unloaded. You can try running the following code to implement the unloaded attribute in HTML -
<!DOCTYPE html> <html> <body onunload = "display()"> <h2>Tutorialspoint</h2> <h3>Simply Easy learning</h3> <script> function display() { alert("Bye!"); } </script> </body> </html>
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