behavior-usage.html

<form>
	<input type="datetime" data-behavior="TimePicker" data-timepicker-pad="true" data-timepicker-labels-hours="HR" />
</form>

<a href="#my_modal" data-behavior="TargetModal">Open Modal</a>

<div id="my_modal" data-behavior="Modal" data-modal-style="color:#333; opacity:0.7">
	Lorem ipsum dolor sit amet, consectetur adipisicing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, quis nostrud exercitation ullamco laboris nisi ut aliquip ex ea commodo consequat. Duis aute irure dolor in reprehenderit in voluptate velit esse cillum dolore eu fugiat nulla pariatur. Excepteur sint occaecat cupidatat non proident, sunt in culpa qui officia deserunt mollit anim id est laborum.
</div>

That's similar to what I had in mind for modal in my example...

Agreed, that's another good way to do it. I'd use data-modal='{foo:"bar"}' to set modal-specific options on something that isn't a Modal element.