HTML5 Forms: JavaScript and the Constraint Validation API — SitePointStay Relevant and Grow Your Career in TechPremium ResultsPublish articles on SitePointDaily curated jobsLearning PathsDiscounts to dev toolsStart Free Trial7 Day Free Trial. Cancel Anytime. Key Takeaways HTML5 allows for client-side form validation without JavaScript coding, but for more sophisticated forms, JavaScript and the Constraint Validation API can be used to enhance native validation. Thi
