patternMismatch will Display the title Attribute in the Validation Bubble
When a patternMismatch occurs on a form submission attempt the browser is required to display the contents of the title attribute in the validation message displayed to the user.
by TJ VanToll
HTML
<form>
<label for="price">Price: $</label>
<input type="text" pattern="[0-9].[0-9][0-9]"
title="Please enter the price in x.xx format (e.g. 3.99)"
id="price" value="3" />
<input type="submit" value="Submit" />
</form>
CSS
form { padding: 20px; }