Document: pointerlockerror event - Web APIs
the pointerlockerror event is fired when locking the pointer failed (for technical reasons or because the permission was denied).
...led (for technical reasons or because the permission was denied).
...was denied).

Document - Web APIs
pointerenter is an eventhandler representing the code to be called when the pointerenter event is raised.
...escendants.

GlobalEventHandlers - Web APIs
pointerenter is an eventhandler representing the code to be called when the pointerenter event is raised.
... methods this interface defines no methods.