Scheduling

Limited availability

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[!WARNING] The Scheduling interface has been superseded by the Scheduler interface, the features of which are better designed for addressing scheduling tasks.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.

Instance methods

• 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.

Example

See the isInputPending() page for a full example.

Specifications

Browser compatibility

See also

• Scheduler interface
• Prioritized Task Scheduling API
• Faster input events with Facebook’s first browser API contribution on engineering.fb.com (2019)
• Better JS scheduling with isInputPending() on developer.chrome.com (2020)
• Optimizing long tasks on web.dev (2022)