← `beforeunload` Can Still Kill Your bfcache. Mount It Only When Dirty.Quiz
bfcache, beforeunload, and pagehide
Eight questions on how the back/forward cache actually works, what disqualifies a page from it, and the pagehide/pageshow replacement for unload-based cleanup.
questions8
pass mark70%
resultsat the end
No account needed. Answer all 8 questions, then see your score with every answer explained and a reference to the spec or MDN — pass and you can claim a certificate.