The dirname attribute on a <textarea> tag submits the direction, together with the textarea value.
Direction values can be ltr (left-to-right) or rtl (right-to-left).
A <textarea> element with a dirname attribute.
Submitting this form will send the textarea value and its direction.
<form action="/tutorial/action.html">
<label for="message">Message:</label><br />
<textarea id="message" name="message"
dirname="message.dir" cols="50"></textarea><br/>
<input type="submit" value="Submit">
</form>
The name of this attribute must be the textarea name followed by .dir.
This attribute helps in identifying the correct direction for the textarea's text.
Here is a list of the languages that are written from right-to-left (rtl):
<textarea name="text" dirname="textarea_name.dir">
| Value | Description |
|---|---|
| textarea_name.dir |
Submits the text direction of the textarea value. Possible values are ltr (left-to-right) or rtl (right-to-left). |
Here is when dirname support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
Not Supported | |
 IE/Edge
|
79.0 | Jan 2020 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
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