In this third part of a three-part article we will conclude our study of native form validation in browsers. Part 1 discussed general UI considerations and CSS. Part 2 studied a few HTML properties and the JavaScript API.

In this second part of a three-part article we will continue our study of native form validation in browsers. Part 1 discussed general UI considerations and CSS. Part 3 will discuss the native error messages and offer general recommendations to come to actually usable…

After doing exhaustive research into modern CSS and JavaScript form validation, I present my conclusions in this series of articles. It will discuss native HTML validation messages, the CSS :invalid and :valid pseudo-classes, and the Constraint Validation API that is…

All mobile browsers have two viewports. The layout viewport constrains your CSS — width…

Everyone who’s ever messed around with dates knows that they are terribly user-hostile — not only…