HTML Forms have powerful validation mechanisms, but they are heavily underused. In fact, not many people even know much about them. Is this because of some flaw in their design? Let’s explore. Attributes, methods, and properties It’s easy to disallow empty inputs by adding a required attribute: <input required={true} /> Beyond that, there is a bunch of other ways that you can add constraints to your input. Precisely, there are three ways to do it: Using specific type attribute values, such as "e...