Display an alert when a form is submitted:
The submit event occurs when a form is submitted.
This event can only be be used on <form> elements.
The submit() method triggers the submit event, or attaches a function to run when a submit event occurs.
Trigger the submit event for the selected elements:
Attach a function to the submit event:
|function||Optional. Specifies the function to run when the submit event is triggered|
Prevent the default action of a submit button
How to prevent the form being submitted using the event.preventDefault() method.