Form Validation Using JavaScript | Exploring JavaScript Day 18 | ScratchStart

Published: 04 April 2026
on channel: ScratchStart

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In this video, we build a Form Validation system using JavaScript.
This project demonstrates how to validate user input and provide real-time feedback through error messages.

We create a simple signup form and check for valid username, email, and password inputs.

Features implemented:
• Validate required fields
• Check email format
• Validate password length
• Display error messages

Concepts covered:
• JavaScript validation logic
• preventDefault()
• Conditional checks
• DOM manipulation for feedback

Technologies used:
HTML
CSS (Error message UI)
JavaScript (Validation + DOM)

This project is part of a JavaScript daily project series where we build practical projects to strengthen core concepts step by step.
Follow along to improve your frontend development skills.

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#formvalidation
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