Description

Allows method hooks into the detection of when an element is scrolled into or out of view.

Usage

as attribute

<ANY when-visible
     when-not-visible="{string}"
     [when-not-visible="{string}"]>
   ...
</ANY>

Param	Type	Details
when-not-visible	string	function to execute when element is scrolled into viewport
when-not-visible (optional)	string	function to execute when element is scrolled out of viewport