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Webdev

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

Articles

JavaScript

You reach for Promise.all for every concurrent request. Here's when to use the other three.

Jul 13 · 5 min JavaScript

Your dropdown is a div. The browser has a native popover now.

Jul 12 · 4 min TypeScript

Your TypeScript config objects are losing type information. satisfies fixes it.

Jul 11 · 5 min JavaScript

You've been deep-cloning objects with a JSON hack. structuredClone does it right.

Jul 10 · 4 min CSS

You kept Sass for one reason. Native CSS nesting just ended it.

Jul 9 · 5 min CSS

You can't transition a CSS variable. @property says otherwise.

Jul 8 · 5 min CSS

Your scroll listener is doing CSS's job

Jul 6 · 6 min JavaScript

Your fetch() Is Still Running After the User Left

Jul 5 · 4 min CSS

You reached for !important again. @layer is the real fix.

Jul 4 · 5 min CSS

The page transition you pay a library for is now free

Jul 3 · 5 min CSS

:has() isn't a parent selector. It deletes JavaScript.

Jul 2 · 4 min JavaScript

Optimistic Updates: Stop Making Your Save Button Wait for the Server

Jul 1 · 4 min
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javascript 141frontend 96tutorial 71css 51performance 30typescript 25react 20programming 19browser 18node 16html 12nextjs 11