Quiz · 5 questions

⚙️ The Service Worker

MV3's background context — event-driven, idle-evicted, the household memory layer

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Quiz

01Roughly when does Chrome's MV3 service worker get evicted from memory?

02Your service worker holds a module-level Map of cached tab metadata. After ten minutes of browsing, the popup queries the Map via a message and finds it empty. What happened?

03chrome.runtime.onInstalled fires with three possible reasons. Which one is most useful for migration code?

04ClipDeck Track 2 counts visited URLs. Which Chrome event is the right binding?

05Popup wants the visit count from the service worker. What's the simplest correct pattern?

← PreviousClipDeck Visit Counter — Storage + Messages + Tabs in One Loop ✋ Content Scripts →What Content Scripts Are and Why They Exist

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