When a form is reset, the onreset attribute triggers. You can try to run the following code to implement onreset attribute −
Example
<!DOCTYPE html> <html> <body> <form onreset = "display()"> Student Name:<br> <input type = "text" name = "sname"> <br> Student Subject:<br> <input type = "text" name = "ssubject"> <br> <input type = "reset" value = "reset"> </form> <script> function display() { alert("Form reset successfull!"); } </script> </body> </html>