About This HTML Issue
The type attribute is specific to the <input> element, where it determines the kind of input control rendered — such as text, checkbox, email, or number. The <textarea> element serves a single, distinct purpose: providing a multi-line plain-text editing area. Because it doesn’t have multiple modes of operation, the HTML specification does not define a type attribute for it.
This error commonly occurs when developers confuse <textarea> with <input>, or when refactoring a single-line <input type="text"> into a multi-line <textarea> without removing the now-invalid type attribute. It can also appear when using templating systems or frameworks that apply attributes generically across different form elements.
While browsers will typically ignore the unrecognized type attribute on a <textarea>, keeping it in your markup causes W3C validation errors and can lead to confusion for other developers reading the code. Invalid attributes may also interfere with CSS attribute selectors (e.g., textarea[type="text"] is a selector targeting invalid markup), accessibility tools, or automated testing systems that rely on well-formed HTML.
To fix this issue, remove the type attribute from the <textarea> element. If you need to differentiate between multiple textareas, use id, name, or class attributes instead. If you actually need a single-line text input, use <input type="text"> rather than <textarea>.
Examples
Incorrect: type attribute on <textarea>
<label for="comment">Your comment:</label>
<textarea type="text" id="comment" name="comment" rows="4" cols="50"></textarea>
The type="text" attribute is not valid on <textarea> and will trigger a validation error.
Correct: <textarea> without type
<label for="comment">Your comment:</label>
<textarea id="comment" name="comment" rows="4" cols="50"></textarea>
Simply removing the type attribute resolves the issue. The <textarea> element inherently provides a multi-line text input, so no type is needed.
Correct: Using <input> when a single-line field is intended
If you intended a single-line text field, use <input> instead:
<label for="username">Username:</label>
<input type="text" id="username" name="username">
The type attribute is valid and expected on <input> elements, where it controls the type of input control rendered.
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