Want to make sure your form inputs are correct before submission? In this beginner-friendly tutorial, you'll learn how to validate a form using JavaScript by checking input fields like name, email, and password — all on the client side.

Form validation helps improve user experience, prevent empty or invalid data, and secure your web forms. We’ll show you how to validate required fields, match patterns, and show error messages dynamically.

In this video, you’ll learn:

How to validate form fields using JavaScript

Required field validation and empty input check

Validating email format using regular expressions

Password strength validation (length, characters)

Showing and hiding custom error messages

Preventing form submission if validation fails

This video is perfect for JavaScript beginners, front-end developers, or anyone building login forms, registration pages, or contact forms.

Watch the full JavaScript Tutorials Playlist to learn more hands-on web development skills!

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