The required attribute on a <textarea> tag specifies that a value must be provided before submitting the form.
This is part of the HTML built-in validation function.
A required attribute on a <textarea> element.
The textarea must have a value (i.e. text) before the form can be submitted.
<form action="/tutorial/action.html">
<label for="message">*Message</label><br/>
<textarea required name="message" rows="5" cols="55"></textarea>
<br /><br />
<input type="submit">
</form>
The required attribute specifies that the textarea must be filled out before submitting the form. If not, an error message appears.
This attribute is part of the built-in validation functionality in HTML.
<textarea required>
Here is when required support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
4.0 | Mar 2011 |
 IE/Edge
|
10.0 | Sep 2012 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
Back to <textarea>
