Learn how to use the required and disabled attributes to validate and disable HTML5 form elements, and how to customize the validation message. Agree & Join LinkedIn ...

HTML5 form field validation also works with numeric input types and with the “required” specification. Suppose we enhanced the above HTML to add an input field with “required” and another ...

To control form submission using required and disabled attributes: 1. required Attribute: * Ensures a form field must be filled out before submission.