» Tag
javascript
107 postsIntercept.js brings context-aware YARA scanning to JavaScript runtimes
Intercept.js runs context-aware YARA rules in any JS runtime, adding browser download context to catch 0-day threats before files hit disk.
React 19 useOptimistic: Patterns and Pitfalls in Real Forms
React 19's useOptimistic shows results before server confirmation. Battle-tested patterns from a comment box, like button and settings form, plus three costly pitfalls.
How ShareMyPage Safely Runs User-Uploaded JavaScript
ShareMyPage isolates uploaded HTML and JavaScript in a null-origin sandbox on a cookieless domain, blocking XSS and session hijacking without sanitizing code.
CommitBrief — AI code reviews, right in your terminal
A provider-agnostic, local-first CLI that reviews your staged changes, a historic range, or a whole GitHub pull request. Zero telemetry, no server. Free and open source.
commitbrief.comHow AI-Assisted Debugging Made jsdom 43% Faster for React Tests
Sentry engineers used AI-assisted debugging to fix three jsdom bottlenecks, making a React Testing Library suite 43% faster without changing any tests.
Bringing OS-Style Interrupt Handlers to Browser Automation
How a Cue-based interrupt-handler pattern fixes flaky browser automation scripts, with reliability safeguards and a compile-to-plain-code export.
Concurrent JavaScript: A Thread Model for JSC (2017 Revisit)
WebKit's 2017 thought experiment on extending JavaScript's concurrency model beyond SharedArrayBuffer to full heap-wide object sharing.
Telegram Serverless: Run Bot Backends Without Servers
Telegram Serverless runs bot and Mini App backend code in an isolated V8 sandbox with no infrastructure, using a CLI for deploys and database migrations.
How a Second Middleware Silently Broke Inngest's TypeScript Types
A deep dive into why stacking two Inngest middlewares silently collapsed step.run's TypeScript type to {} — and the actual root-cause fix.
Vite 8's Rolldown Makes Builds 13x Faster, Not the Dev Server
Vite 8 merges Rollup and esbuild into a single Rust bundler called Rolldown/Oxc. Real benchmarks show a 13x faster production build, while the dev server stays essentially unchanged.
Bun vs. Deno vs. Node.js in 2026: what real benchmarks show
Re-benchmarked on one machine, Bun, Deno and Node.js results overturn many recycled numbers online. Here's which runtime fits which use case in 2026.