Use the onpageshow attribute to execute a script when a user navigates to a page.
Example
You can try to run the following code to implement onpageshow attribute −
<!DOCTYPE html> <html> <body onpageshow = "display()"> <h2>Tutorialspoint</h2> <p>Simply Easy Learning</p> <script> function display() { alert(You're back!"); } </script> </body> </html>