🧾 About the Product
Form Validator Pro is a powerful, dependency-free JavaScript library that adds instant validation to any HTML form.
It’s fast, easy to integrate, and works perfectly for login, signup, checkout, or contact forms.
Features:
✅ Validate fields in real-time (email, phone, password, etc.)
🧠 Built-in rules for required, regex, and length checks
⚙️ Custom error messages and event callbacks
🌐 Works with any HTML/CSS design or framework
📱 Fully responsive and lightweight (<10KB)
💡 No dependencies (pure vanilla JS)
Perfect for: developers building forms for websites, dashboards, or web apps.
⚙️ How to Use
Add the script to your HTML file:
Add data-validate attributes to your form fields:
Initialize the validator:
Done — validation runs automatically before submission!
💡 Tip: Customize rules and messages directly in JS.
new FormValidator('form');
<input type="email" data-validate="email" required>
<script src="form-validator.js"></script>
Published:
Oct 05, 2025 05:51 PM
Version:
v3.0
Category:
