Series: Progressively Enhanced Form Validation

This article series is about progressively enhancing the form validation experience starting with native HTML validation features as the foundation.

Articles

• Part 1: HTML and CSS
• Part 2: Layering in JavaScript
• Part 3: Validating a checkbox group
• Part 4: Custom validation messages

Demos

• Part 1: Demo
• Part 2: Demo
• Part 3: Demo
• Part 4: Demo