Building a fullscreen countdown timer in vanilla JS: accurate time, Wake Lock, and a WebAudio alarm
Timers look trivial until you actually build one that people rely on. "Just setInterval and decrement a number," right? That gets you a timer that q…
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4 ways canvas text rendering breaks in multilingual apps (that en/ja testing will never catch)
I run a large fleet of "preview it, then download it as PNG" web tools — name tags, certificate generators, price cards, badges — in five languages:…
The Share Button Is the Product: Engineering a Viral Loop in Vanilla JS
Most of us treat the share button as the last checkbox before shipping: drop in a navigator.share call, maybe a Twitter intent URL, done. I did that…
Breaking the 100k Row Limit: Building High-Performance Dynamic Grids with VyncCanvasScroll in Vue 3
The Million-Row Challenge in Modern Web Apps When dealing with massive enterprise datasets—like Amazon SKU multi-account performance metrics or high…
I Built Pong in 60 Lines of JavaScript — Five State Variables and a setInterval
🌐 Live demo (LOOK · UNDERSTAND · BUILD): https://dev48v.infy.uk/game/day2-pong.html Day 2 of my GameFromZero series — 50 playable mini-games in 50 d…
Chaos erupts as cyberattack disrupts learning platform Canvas amid finals
Across the country, schools and colleges postpone year-end tests.