Tagged: #javascript timer

Tutorials, deep-dives, and privacy-first thinking about developer tools.

Showing 1–3 of 3 posts

technical Aug 23, 2026 · 10 min

Notification API: Reminders That Survive a Tab Switch (2026)

The Notification API lets a timer reach you after you switch tabs. Here is the permission flow, the options that matter, and the failures nobody warns you of.

technical Aug 16, 2026 · 10 min

Background Tab Throttling: Why Your JS Timer Pauses (2026)

Background tab throttling is why your JavaScript timer falls minutes behind. Here is what Chrome and Firefox actually do, and the fix that survives it.

technical Aug 15, 2026 · 10 min

setInterval Drift: Build a Drift-Free JavaScript Timer (2026)

setInterval drift is why your 60-second timer finishes late. Here is why the event loop causes it, and how performance.now() fixes it for good.