Posts on development — Page 2

Sticky headers, snapped carousel slides, and scroll shadows have all been JavaScript jobs for a decade.

Svelte 5.36 lets you use await at the top level of a component, inside $derived, and in your markup.

Your app already runs in five tabs at once, and they all think they are in charge. The Web Locks API gives the browser a real mutex so only one of them does…

Custom elements can be real form controls. Here is how formAssociated, ElementInternals, and setValidity retire the hidden-input hack for good.

Next.js 16.3 stops firing a prefetch request for every link in the viewport and caches one reusable loading shell per route instead.

Chrome 148 ships experimental support for filling HTML placeholders out of order and streaming markup into the DOM.

React 19.2's Activity component hides a subtree instead of unmounting it, so state, scroll position, and DOM survive the round trip.

Next.js 16 gave cache invalidation two different functions instead of one, and the split maps to a real distinction: content that can lag versus content the…

Buttons that look bottom-heavy at padding: 12px aren't your fault, they're half-leading. text-box-trim finally lets CSS cut that invisible space, and it…