:required

Term side of the Card
Topic: Pseudo Classes
Unit title: :required
Categories: Pseudo-class
Explanation side of the Card

Explanation: The pseudo-class that selects form elements with the `required` attribute. It applies to fields that must be filled out before a form can be submitted, enabling specific styling to indicate the importance of these fields to the user.

Browser compatibility:
  • The chrome browser supports this feature starting from version 10
  • The edge browser supports this feature starting from version 12
  • The firefox browser supports this feature starting from version 4
  • The safari browser supports this feature starting from version 5
Availability: