HTML: <textarea> required attribute

Online Example

Form with a required text field:

<form action="action_page.php">
　　<textarea name="comment" required></textarea>
　　<input type="submit">
</form>

Browser Compatibility

IEFirefoxOperaChromeSafari

Except for Internet Explorer and Safari, other mainstream browsers support the required attribute.

Definition and Usage

The required attribute is a boolean attribute.

The required attribute specifies that/must fill in a text area (to submit the form).

HTML 4.01 and HTML5differences

The required attribute is an HTML5 new attributes.

Differences between HTML and XHTML

In XHTML, attribute shorthand is prohibited, the required attribute must be defined as <textarea required="required">.

Syntax

<textarea required>