Browser & Web Performance · Senior · Question 18 of 75

What does `scheduler.postTask(fn, { priority: "background" })` let you do?

1Delay fn until the page is hidden
2Run fn in a Web Worker
✓Correct answer: Schedule work with an explicit priority so user-blocking work runs first

Explanation

Priorities are user-blocking, user-visible and background. Tasks can also be aborted with a TaskController.

Further reading

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