HTML form Attribute Demo
These controls are outside the <form>...</form> element but are associated with it through the
form='f1' attribute, where
f1 is the form ID.
HTML
<form method="post" action="" id="f1">
<button type="submit">Submit</button>
</form>
<label for="textArea1">Textarea linked to form f1</label>
<textarea id="textArea1" name="textArea1" rows="3" cols="50" required form="f1"></textarea>
<label for="t1">Text input linked to form f1</label>
<input id="t1" type="text" name="t1" form="f1" required>