HTML Referenzhandbuch

Vollständiges HTML-Tag-Verzeichnis

Das <textarea> Attribut required ist ein boolesches Attribut. Das Attribut required/You must fill in a text area (to submit the form).

Ein Formular mit obligatorischen Textfeldern:

Beispiel

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

IEFirefoxOperaChromeSafari

All mainstream browsers except Internet Explorer and Safari support the required attribute.

The required attribute is a boolean attribute.

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

The required attribute is an HTML5 new attributes.

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

<textarea required>