Tooltip is veryuseful for forms,It is used to show some additional information about input fields.
<script src="http://code.jquery.com/jquery-1.10.2.js"></script>
<script src="http://code.jquery.com/ui/1.10.4/jquery-ui.js"></script>
<script>
$(function() {
$( document ).tooltip();
});
</script>
HTML Codes
<p>
<label>Your name:</label>
<input id="name" title="Please Enter Your Name">
</p>
<p>Hover the input field to see the tooltip.</p>
What do you think?