The readonly attribute on a <textarea> tag specifies that the textarea is read-only, which means the element is non-editable.
Readonly textarea elements are included in form submission.
A readonly attribute on a <textarea> element.
The textarea is not editable, but its value is included during form submission.
<form action="/tutorial/action.html">
<label for="summary">Summary</label><br />
<textarea name="summary"
rows="5" cols="60" readonly>
Starting with her idyllic life on a sprawling plantation,
the book traces her survival through the tragic history of
the South during the Civil War and Reconstruction, and her
tangled love affairs with Ashley Wilkes and Rhett Butler.
</textarea><br /><br />
<input type="submit">
</form>
The readonly attribute specifies that an textarea is read-only.
A textarea with readonly enabled cannot be modified, but it will send its data when submitted.
<textarea readonly>
Here is when readonly support started for each browser:
 Chrome
|
1.0 | Sep 2008 |
 Firefox
|
1.0 | Sep 2002 |
 IE/Edge
|
1.0 | Aug 1995 |
 Opera
|
1.0 | Jan 2006 |
 Safari
|
1.0 | Jan 2003 |
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