December 2018 web platform update
Newly available on the web platform
Newly available
-
Constraint validation API: Methods that validate form controls before submission, such as
checkValidity()
,reportValidity()
andsetCustomValidity()
. Learn more. -
Interaction media queries: The
pointer
,any-pointer
,hover
, andany-hover
CSS media queries set styles based on the presence of pointing devices and their ability to hover over elements. For example, most smartphones match the(hover: none) and (pointer: coarse)
media query. Learn more.