Form Validation

Type ana@example into an email box, press the submit button, and Chrome accepts it with no message. Type ana.example.com instead, and Chrome stops the form and shows a message: "Please include an '@' in the email address." Both addresses are wrong, yet the browser catches only one of them.

The reason is that the browser's check for type="email" is deliberately simple: it requires some text, an @, and a domain name after it. That simple check shows the main idea of this lesson