Example
A form with a required text area:
<form action="demo_form.asp">
<textarea name="comment" required></textarea>
<input type="submit">
</form>
Try it Yourself »
Definition and Usage
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).
Browser Support
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 |
Differences Between HTML 4.01 and HTML5
The required attribute is new in HTML5.
Differences Between HTML and XHTML
In XHTML, attribute minimization is forbidden, and the required attribute must be defined as <textarea required="required">.
Syntax
<textarea required>