RolldownRolldownFast Rust-based bundler for JavaScriptwith Rollup-compatible API
JavaScript's New Superpower: Explicit Resource Management · V8
Show navigation The Explicit Resource Management proposal introduces a deterministic approach to explicitly manage the lifecycle of resources like file handles, network connections, and more. This proposal brings the following additions to the language: the using and await using declarations, which automatically calls dispose method when a resource goes out of scope; [Symbol.dispose]() and [Symbol
Hyper: Standards first React alternative
Hyper is a standards first markup language for building user interfaces. It enables developers (and AI models) to generate complex UIs with amazingly clean syntax. Project goals Standards first: User interfaces should be assembled with HTML, styled with CSS, and enhanced with JavaScript. Simplicity: UI composition should be easy and require as few idioms and abstractions as possible, both on clien
Giving V8 a Heads-Up: Faster JavaScript Startup with Explicit Compile Hints · V8
Getting JavaScript running fast is key for a responsive web app. Even with V8's advanced optimizations, parsing and compiling critical JavaScript during startup can still create performance bottlenecks. Knowing which JavaScript functions to compile during the initial script compilation can speed up web page loading. When processing a script loaded from the network, V8 has to choose for each functi
You might not need Websockets
Websockets are powerful tools that have become a fan-favorite for building realtime applications, but you might be using them for all the wrong reasons. Let's explore the pitfalls of websockets and how we can use plain old HTTP to get the same job done. What’s a WebSocket? If you’re new to web development or you haven’t heard of a WebSocket before, they’re a way to open a two-way communication cha
Bare | Fast, Lightweight Runtime for Modular JavaScript Apps
Bare is a small and modular JavaScript runtime for desktop and mobile. Like Node.js, it provides an asynchronous, event-driven architecture for writing applications in the lingua franca of modern software. Unlike Node.js, it makes embedding and cross-device support core use cases, aiming to run just as well on your phone as on your laptop. The result is a runtime ideal for networked, peer-to-peer
Meet Declarative Web Push
Web Push notifications are a powerful and important part of the web platform. As someone’s very famous uncle once said, with great power comes great responsibility. When we added Web Push to WebKit we knew it was imperative to maintain people’s expectations of power efficiency and privacy. We took a deliberate approach to maintain those expectations when implementing Web Push for Safari on macOS,
Introducing command and commandfor | Blog | Chrome for Developers
Published: March 7, 2025 Buttons are essential to making dynamic web applications. Buttons open menus, toggle actions, and submit forms. They provide the foundation of interactivity on the web. Making buttons simple and accessible can lead to some surprising challenges. Developers building micro-frontends or component systems can encounter solutions that become more complex than necessary. While f
GitHub - stackblitz/alien-signals: 👾 The lightest signal library
This project explores a push-pull based signal algorithm. Its current implementation is similar to or related to certain other frontend projects: Propagation algorithm of Vue 3 Preact’s double-linked-list approach (https://preactjs.com/blog/signal-boosting/) Inner effects scheduling of Svelte Graph-coloring approach of Reactively (https://milomg.dev/2022-12-01/reactivity) We impose some constraint
JavaScript | 2024 | The Web Almanac by HTTP Archive
Introduction JavaScript is essential for creating interactive web experiences, driving everything from basic animations to advanced functionalities. Its development has significantly enhanced the web’s dynamic capabilities. However, this heavy dependence on JavaScript involves compromises. Each stage—from downloading and parsing to execution—demands substantial browser resources. Using too little
Turbocharging V8 with mutable heap numbers · V8
At V8, we're constantly striving to improve JavaScript performance. As part of this effort, we recently revisited the JetStream2 benchmark suite to eliminate performance cliffs. This post details a specific optimization we made that yielded a significant 2.5x improvement in the async-fs benchmark, contributing to a noticeable boost in the overall score. The optimization was inspired by the benchma
Speeding up the JavaScript ecosystem - Rust and JavaScript Plugins
Over the past year (2024) there has been a strong movement to rewrite JavaScript tools in Rust to make them faster. Rust is well suited for this as it runs much closer to hardware and doesn't rely on garbage collection. This makes it an ideal candidate for computationally intensive tasks. Linting in its basic form is such a task, as it involves parsing and traversing lots of source code. But there
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A brief history of JavaScript | Deno
GitHub - kepano/defuddle: Extract the main content from web pages.
GitHub - Ray-D-Song/lexe: Package your Node.js application into a single executable file, but only 10MB.🔥
War story: the hardest bug I ever debugged
How we made our rich text editor load faster - Part 1 | CKEditor
Rsdoctor
GitHub - lynx-family/primjs: JavaScript Engine Optimized for Lynx
A Mere Mortal's Introduction to JIT Vulnerabilities in JavaScript Engines - TrustFoundry