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#service-worker

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2026-07-05 chrome-extension service-worker background

Build Chrome Extensions · Part 5 — The Background Service Worker

The event-driven heart of MV3: the lifecycle (install, wake, idle, terminate), why there is no persistent state, alarms vs setTimeout, and registering listeners correctly. With a live lifecycle simulator.
2026-06-29 chrome-extension architecture content-script

Build Chrome Extensions · Part 3 — Architecture & the Component Model

How the popup, content script, service worker and options page relate — what each one can and cannot do, why they are isolated, and the data-flow that ties them together. With an interactive context map.