You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
What is an input mask?
Input masks are a way to control what data can be entered into a form’s field. They are governed by a strict set of rules that site visitors can’t break while trying to fill out your form.
What you will learn by completing this challenge
- How to use enforced strict rules for your forms and inputs.