A form with a required text area:
The required attribute is a boolean attribute.
When present, it specifies that a text area is required/must be filled out (in order to submit the form).
The numbers in the table specify the first browser version that fully supports the attribute.
Attribute | |||||
---|---|---|---|---|---|
required | 5.0 | 10.0 | 4.0 | Not supported | Yes |
The required attribute is new in HTML5.
In XHTML, attribute minimization is forbidden, and the required attribute must be defined as <textarea required="required">.