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Scheduling - Web APIs | MDN
The Scheduling
object provides methods and properties to control scheduling tasks within the current document.
Warning:
The Scheduling
interface has been superseded by the Scheduler
interface, the features of which are better designed for addressing scheduling tasks. See Don't use isInputPending()
for more details.
isInputPending()
Experimental
Returns a boolean that indicates whether there are pending input events in the event queue, meaning that the user is attempting to interact with the page.