Realtime Form Validation

// LINKS Source Code - Live Demo - “Form Validation Techniques“ on bitsofcode - Blog Companion Post - // VIDEO SECTIONS 00:00 - Introduction 00:59 - The Form Markup 03:49 - Creating a Custom Validation Prototype 06:02 - Validating the Username Input 10:42 - Refactoring the Custom Validation Prototype 15:53 - Valid