The reset type creates a button which, on click, resets the contents of a form to its default values. Clicking does not send a request to the server.
<form action="#" method="post">
<fieldset>
<label>
<input name="color" type="radio" value="green" checked />
Green
</label>
<label>
<input name="color" type="radio" value="red" />
Red
</label>
</fieldset>
<fieldset>
<input type="reset" value="Clear Form" />
</fieldset>
</form>