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<!--> <!DOCTYPE> <a> <abbr> <acronym> <address> <applet> <area> <article> <aside> <audio> <b> <base> <basefont> <bdi> <bdo> <big> <blockquote> <body> <br> <button> <canvas> <caption> <center> <cite> <code> <col> <colgroup> <command> <datalist> <dd> <del> <details> <dfn> <dialog> <dir> <div> <dl> <dt> <em> <embed> <fieldset> <figcaption> <figure> <font> <footer> <form> <frame> <frameset> <head> <header> <hgroup> <h1> - <h6> <hr> <html> <i> <iframe> <img> <input> <ins> <kbd> <keygen> <label> <legend> <li> <link> <map> <mark> <menu> <meta> <meter> <nav> <noframes> <noscript> <object> <ol> <optgroup> <option> <output> <p> <param> <pre> <progress> <q> <rp> <rt> <ruby> <s> <samp> <script> <section> <select> <small> <source> <span> <strike> <strong> <style> <sub> <summary> <sup> <table> <tbody> <td> <textarea> <tfoot> <th> <thead> <time> <title> <tr> <track> <tt> <u> <ul> <var> <video> <wbr>HTML <textarea> required Attribute
Example
A form with a required text area:
<form action="demo_form.asp">
<textarea name="comment" required></textarea>
<input type="submit">
</form>
<textarea name="comment" required></textarea>
<input type="submit">
</form>
Try it yourself »
Browser Support
The required attribute is supported in all major browsers, except Internet Explorer and Safari.
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).
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>
HTML <textarea> tag
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