The user agent MUST fire a pointer event named pointerup when a pointer leaves the active buttons state. For mouse, this is when the device ... ... <看更多>

The pointer-events CSS property allows you to control whether or not an element can be interacted with via ... ... <看更多>

Once you set the element to pointer-events: none , you can't trigger :hover . That would be a pointer event. You could put the :hover on the ... ... <看更多>

PEP polyfills pointer events in all browsers that haven't yet implemented them, providing a unified, responsive input model for all devices and input types. ... <看更多>