Posts tagged #javascript — Page 3

Iterator helpers bring map, filter, take, and drop to any iterator without spreading into an array first.

Chrome ships the Soft Navigations API unflagged in 151, giving single-page apps a standardized way to measure LCP, INP, and CLS per route change instead of…

Shadow DOM used to mean a blank page until your bundle loaded. The shadowrootmode attribute changed that, and it has been in every major browser since early…

The Origin Private File System gives you byte-level, synchronous file I/O in the browser. Here's how it works, when to reach for it, and why it's the reason…

URLPattern went Baseline in late 2025, giving the platform a native, framework-free way to match and parse URLs.

The Invoker Commands API lets a button declare what it controls with command and commandfor, replacing modal and popover glue code with plain HTML.

Fallow is a Rust-native tool that maps your whole TS/JS codebase to catch dead code, duplication, and architecture drift.

The Navigation API hit Baseline in early 2026, giving SPAs a single, purpose-built place to intercept and manage routing.

A practical look at scheduler.yield(), the browser API that breaks up long tasks and keeps the main thread responsive without the setTimeout penalty.