Form submit to run javascript and then post to php script

Question

I am currently working on a php/html/javascript project. I have a form where when the user presses the submit button, it should run a javascript function and then afterwards

Answer 1

Set yout 'action' parameter to your PHP script, and do any javascript procesing in a javascript event.

Then in your js validation, return 'true' if everything's fine, or 'false' if not. Returning 'true' means 'continue with the submit process and send over data to processing.php