It's a microframework to handle easily switchable children of DOM elements and just as easily re-renderable lists of children (by template) simply by HTML with certain classes, data-attributes and corresponding object-properties of the app-object.
You can use certain classes that are being handled by the framework in the background
switchablecan show one of children with classmoderenderablecan render subtree or usetemplatetag while filling in corresponding datatogglablecan be easily toggled betweenactiveand not.


