things

selectors
events
animation (scrollIntoView({ behavior: 'smooth' }), scroll({ top: 10, behavior: 'smooth' }))
dimentions (.position(), .height(), .width()) -> getBoundingClientRect
data()
$().scrollLeft -> $().prop('scrollLeft')
$().scrolTop -> $().prop('scrollTop')
$().clone -> element.cloneNode()

selectors are not fully compatible

$('div').find('> div') => query('div').find(':scope > div') next() - nextElemenetSibling prev() - previousElemenetSibling