Articles tagged "service-worker"

4 articles found

A thin line-drawn address bar capsule with a small orange chip at its left end, and beneath it a watercolour orange band as the highlighted suggestion above two plain hairline rows

Omnibox keywords in Chrome extensions: a command palette for zero permissions

Build a Chrome extension command palette on the omnibox API — a keyword in the address bar, live suggestions, no permission warning. Full MV3 code, ~25 min.

Maxim Kosterin

September 8, 2026

17 min read

A hairline browser window holding an empty list, while a single orange watercolour cookie with a bite taken out floats just outside its frame — present, but unseen by the window.

chrome-extensions cookies manifest-v3

Read, write and watch cookies from an MV3 extension

Build a Chrome extension that lists, edits and watches the current site's cookies with chrome.cookies — full MV3 code and the empty-array trap, ~25 min.

Maxim Kosterin

September 5, 2026

18 min read

An empty hairline rectangle joined by a thin curve to a smaller dashed one below it, which holds a soft orange watercolor wash — the hidden page that has the DOM the empty one lacks.

chrome-extensions chrome-offscreen manifest-v3

Offscreen documents in Chrome extensions: how to use the DOM from an MV3 service worker

MV3 service workers have no DOM. Build a Chrome extension that parses HTML and writes to the clipboard from an offscreen document — runnable code, ~25 min.

Maxim Kosterin

August 4, 2026

19 min read

A broken enso circle of pale dry brush arcs with one segment painted as a wet orange watercolor stroke — a single scheduled wake in a ring of sleep.

chrome-extensions chrome-alarms manifest-v3

chrome.alarms in Manifest V3: background jobs that outlive the service worker

MV3 kills setInterval. Build a Chrome extension background job with chrome.alarms that survives service worker termination — full runnable code, ~20 min.

Maxim Kosterin

August 1, 2026

16 min read