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Webdev

107 articles on Webdev — each with a runnable playground and a quiz.

Articles

JavaScript

Stop Writing Regex to Match URLs — The Browser Already Can

Aug 20 · 6 min CSS

Stop Writing Media Queries for Font Size

Aug 19 · 4 min CSS

I Ripped Out a Carousel Library. CSS Replaced It.

Aug 18 · 4 min CSS

Stop Writing Math.cos() in a Resize Listener

Aug 17 · 4 min CSS

I Can Finally Delete My max-height: 9999px Animation Hack

Aug 16 · 6 min JavaScript

Five tabs open, one refresh token — the race nobody noticed

Aug 15 · 5 min JavaScript

You copy and reverse the array to find the last match. findLast() searches from the end directly.

Aug 14 · 4 min JavaScript

Your fetch() in beforeunload is being silently dropped. Use navigator.sendBeacon().

Aug 13 · 4 min CSS

You're blocking touchmove events to contain scroll. overscroll-behavior does it natively.

Aug 12 · 4 min JavaScript

You're polling setInterval to detect DOM changes. MutationObserver fires when they happen.

Aug 11 · 4 min JavaScript

You're importing pako to gzip data. CompressionStream does it natively.

Aug 10 · 4 min JavaScript

Stop using the localStorage hack to sync browser tabs. BroadcastChannel does it natively.

Aug 9 · 4 min
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