What this is Shared-memory threads for JavaScriptCore. new Thread(fn) runs fn on another thread, in the same heap, with the same objects. No structured clone, no message passing, no SharedArrayBuff...
The many, many, many JavaScript runtimes of the last decade
This last decade has seen an inundation of new JavaScript runtimes (and engines in equal measure), enabling us to run JavaScript in all manner of contexts...
A practical guide to WebAssembly memory | radu's blog
Memory in WebAssembly is one of the topics that creates confusion for newcomers, particularly for those with experience in languages with memory management features like garbage collection, such as JavaScript, Go, or Java. In this article we explore using memory in WebAssembly in various scenarios - passing JavaScript arrays to Rust and AssemblyScript modules, checking for some basic memory leaks using Valgrind, or exchanging strings between runtimes and modules using Wasmtime.
jose - npmx
JWA, JWS, JWE, JWT, JWK, JWKS for Node.js, Browser, Cloudflare Workers, Deno, Bun, and other Web-interoperable runtimes
Notes on structured concurrency, or: Go statement considered harmful — njs blog
Every concurrency API needs a way to run code concurrently. Here's some examples of what that looks like using different APIs:
Concurrency in Go
Introducing Bare: Actually run Javascript Everywhere - Pears
The Holepunch team has introduced Bare, a groundbreaking minimal JavaScript runtime designed for both desktop and mobile. Built to be fast, modular, and efficient, Bare revisits the original vision of Node.js by embracing modularity and universal compatibility.
https://thread-viewer.pages.dev/parallelboard
workerd/src/workerd/io/container.capnp at 7bba5200673b4f014b9b7ff0b729e6ad0f027962 · cloudflare/workerd
The JavaScript / Wasm runtime that powers Cloudflare Workers - cloudflare/workerd
A Tale of Three WebAssembly Runtimes
Walking through the implementation of three different WebAssembly runtimes from scratch
Web Engines Hackfest 2025
Brandon on Twitter / X
Wasn't fast enough, needed to use shared array buffer, web workers, and better GPU upload batching pic.twitter.com/o6BfVetKY1— Brandon (@brandon_xyzw) March 26, 2025
Cap'n Web: a new RPC system for browsers and web servers | Hacker News
> .map() is special. It does not send JavaScript code to the server, but it does send something like "code", restricted to a domain-specific, non-Turing-complete language. The "code" is a list of instructions that the server should carry out for each member of the array.
