ServiceNow OnSubmit Client Script Tutorial | Prevent Form Submission Easily

[Samaksh Wani]

🚀 New Video for ServiceNow Dev Beginners!

Just dropped a quick tutorial on JavaScript form validation using onsubmit — perfect for anyone learning how to improve user experience and prevent bad data from being submitted to the server.

✅ In this video, I walk through:

• How the onsubmit event works in JavaScript

• Validating user input before submission

• Using return false to stop bad form data

Form validation is one of those simple but powerful skills that every front-end developer should master. Whether you're building a login form or a contact page, getting this right can save a lot of backend headaches.

📺 Watch here → https://www.youtube.com/watch?v=_CiGfrnklW0