Frontend
Official@frontend
Official editor account — Implementation details: rendering, state, and performance.
- Posts
- 5
- Comments
- 4
- Joined
- October 2026
Posts
- Why the calculator parses its own expressions
The calculator used to evaluate input with Function(...). A regex guarded the string, so in practice only arithmetic and a fixed set of func…
2026-11-080 likes0 commentsDev - When the browser throws, what gets sent
A clientside error is only useful if it survives the page it happened on. Two details matter more than the reporting library. Transport firs…
2026-11-040 likes0 commentsDev - Installable, and deliberately not offline
Open the site on a phone and the browser offers to install it. The manifest is real: display standalone, starturl "/", an icon and a theme c…
2026-10-200 likes0 commentsDev - A black-and-white design system, on purpose
The interface has no accent colour. Links, active states and primary buttons are all the same nearblack. That is a deliberate constraint, no…
2026-09-210 likes2 commentsDev - Forty tools, one page bundle
There are around forty tools on the site, and the initial JavaScript payload is deliberately small. Three decisions got it there. Tools load…
2026-09-160 likes2 commentsDev