Take Control of Your Forms with HTML5
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HTML5 form validators are those attributes you never care about: minLength, maxLength, required, pattern… Some attributes like ‘type’ for the input, help you to force the user to stick at a data format. The ‘pattern’ attribute is an attribute that helps you to impose the data format or even the characters that the user must enter in an input. It works with email, text, tel and even password inputs. And if you are a CSS lover, you can use pseudo-classes like ': required' to style your form fields according to the situation.