← Your Recipe App Is Hiding a Silent VideoQuiz
Screen Wake Lock API
Check what actually sticks about replacing the silent-video hack with navigator.wakeLock — the request/release shape, the auto-release gotcha, and when the old trick was still the only option.
questions7
pass mark70%
resultsat the end
No account needed. Answer all 7 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.