Did you find or create something cool this week in javascript? Show us here submitted by u AutoModerator [link] [comments]

   Monday, December 08 - Sunday, December 14, 2025 Top Posts score comments title & link 78 37 comments GraphQL: the enterprise honeymoon is over 71 21 comments I built a real-time ASCII camera in the browser (60 FPS, Canvas, TypeScript) 36 18 comments Two New React 19 Vulnerabilities -...

   I somehow completely missed that modern browsers ship a Web Speech API. You can do text-to-speech (and speech recognition) with no libraries, just a few lines of JavaScript. No keys, no SDKs, no backend. What surprised me: It’s supported in Chrome and Safari Latency is basically instant Voices,...

   Started with a pure JS implementation that became the fastest JS image diff library. But I wanted to push further and rewrote the core in Rust with SIMD. import compare from ' blazediff bin'; const result await compare('expected.png', 'actual.png', 'diff.png',...

   I just published a post that walks through the entire flow: call stack, message queue, macrotasks vs microtasks even with example code that many devs get wrong the first time. If you’ve ever been confused by why Promise.then runs before setTimeout callbacks, or why some UI freezes happen, this...

   32; submitted by u Sad-Branch-5375 [link] [comments]

   I am building a liveStreaming website clone but i have an issue in connecting my Youtube studio i have the key but i am not able to stream on youtube console is completly fine . This project includes ffmpeg RTMP docker sockets javaScript submitted by u Creepy-Classroom6945 [link] ...

   Hey folks, I am making a component library using css modules with css vars that have design tokens and locally it looks great but when i bring it into a different app the css does not load at all. What are some tips for ensuring your css does not get overwritten? submitted by u Velvet...

   In modern web development, creating lively and exciting user experiences (UX) requires more than just simple CSS transitions. We need complex, interactive animations that look great but don’t slow down the app. This is why Rive has become a powerful secret weapon in our technology stack. Today, let...

   Audio classification can operate alone in total darkness and around corners or supplement video cameras. Receive email or text alerts based from 1 to 521 different audio classes, each class with its own probability setting. TensorFlow YAMNet model. Only 1 second latency. submitted by u...

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   General community question: if you're using ai for coding heavily vibe coding, do you use libs like react still? If so, why? Wouldn't vanilla js be preferable for perf, memory, and asset size? submitted by u Made-of-Clay [link] [comments]

   32; submitted by u Aroy666 [link] [comments]

   Over the last few projects I kept running into the same pain point. Authorization logic scattered all over my codebase middleware, service functions, components. But, I just wanted something that let me answer one simple question in a consistent way: That’s why I built zap-studio permit a...

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   I’ve worked on multiple projects where I needed more than just a countries list things like ISO validation, phone number parsing, SVG flags, and basic geo utilities. Most existing libraries solved only one part of the problem, so I built a small TypeScript-first package that brings these together...

   A high-Integrity Banking Database System with PostgreSQL. I finished this project recently, 70 percentage of code wrote by myself and 30 by AI, I used AI for debugging ( Gemini 3 Pro ). submitted by u Much Constant9531 [link] [comments]

   I created a Biome linter plugin that enforces braces around arrow function bodies. It's a simple but effective way to improve code consistency and clarity. Check it out: biome-plugin-arrow-body-style javascript This gets flagged const getValue () > 42; ✠This passes const getValue () >...

   r NullForge submitted by u CaptainFulminyx [link] [comments]

   Hi I’m building Img2Num, an open-source app that converts any user-uploaded image into SVG paint-by-number paths. The core works, but we need help to make it fully usable. Current state: - Upload image’ SVG’ colorable paths works - WASM React pipeline functional Ways to contribute: - Add numbers...