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javascript dev community skip to content navigation menu search powered by algolia search log in create account dev community close javascript once relegated to the browser as one of the 3 core technologies of the web javascript can now be found almost anywhere you find code javascript developers move fast and push software development forward they can be as opinionated as the frameworks they use so let s keep it clean here and make it a place to learn from each other follow hide create post submission guidelines client side server side it doesn t matter this tag should be used for anything javascript focused if the topic is about a javascript framework or library just remember to include the framework s tag as well about javascript how should the tag be written all lower case letters for the tag javascript older javascript posts 1 2 3 4 5 6 7 8 9 75 8516 posts left menu sign in for the ability to sort posts by relevant latest or top right menu i throttled my app to slow 3g here s what my tests never caught exposes race conditions hidden by fast wifi shubhra pokhariya shubhra pokhariya shubhra pokhariya follow sep 15 i throttled my app to slow 3g here s what my tests never caught javascript webdev debugging testing 15 reactions comments 6 comments 7 min read canplaytype said probably in three engines only two kept my transparent webm transparent hao jia hao jia hao jia follow sep 15 canplaytype said probably in three engines only two kept my transparent webm transparent webdev javascript comments add comment 4 min read we built an arcade for our own game engine olu desire olu desire olu desire follow sep 15 we built an arcade for our own game engine showdev javascript gamedev webdev 1 reaction comments add comment 10 min read designing a zero guess puzzle generator for star battle two not touch using constraint logic a353551071 a353551071 a353551071 follow sep 15 designing a zero guess puzzle generator for star battle two not touch using constraint logic javascript webdev gamedev algorithms comments 1 comment 5 min read i built an adaptive hand cricket game using react mediapipe and tensorflow js ayush shah ayush shah ayush shah follow sep 15 i built an adaptive hand cricket game using react mediapipe and tensorflow js gamedev javascript machinelearning react comments add comment 2 min read how i got a next js project to 100 seo on lighthouse joodi joodi joodi follow sep 15 how i got a next js project to 100 seo on lighthouse nextjs seo javascript typescript 5 reactions comments add comment 3 min read webcodecs is 10x faster than ffmpeg wasm and sometimes worse mengyuxuan mengyuxuan mengyuxuan follow sep 15 webcodecs is 10x faster than ffmpeg wasm and sometimes worse webdev javascript performance webassembly 1 reaction comments 2 comments 7 min read architecting a client side web audio diagnostic suite with astro web audio api and zero data transmission raj khan raj khan raj khan follow sep 15 architecting a client side web audio diagnostic suite with astro web audio api and zero data transmission showdev webdev javascript architecture comments add comment 4 min read crack the javascript interview 20 core concepts explained like a chat over coffee dev raj sharma dev raj sharma dev raj sharma follow sep 15 crack the javascript interview 20 core concepts explained like a chat over coffee career frontend interview javascript comments add comment 4 min read demystifying webrtc a step by step guide to peer to peer video in react khadijah khadijah khadijah follow sep 15 demystifying webrtc a step by step guide to peer to peer video in react javascript react webrtc beginners comments add comment 7 min read jquery s trigger submit drops the submit button and your backend may be checking for it meg venture consulting ltd meg venture consulting ltd meg venture consulting ltd follow sep 15 jquery s trigger submit drops the submit button and your backend may be checking for it javascript php webdev jquery comments add comment 4 min read the hammer and the hanging man are the same candle cm45t3r cm45t3r cm45t3r follow sep 15 the hammer and the hanging man are the same candle javascript node opensource trading 2 reactions comments add comment 9 min read a background swapped mp4 came out twice the size of its input and what else i check before delivery asyncmonk asyncmonk asyncmonk follow sep 15 a background swapped mp4 came out twice the size of its input and what else i check before delivery webdev javascript comments add comment 4 min read right click image search on amazon temu and aliexpress from desktop fabrizio giustina fabrizio giustina fabrizio giustina follow sep 15 right click image search on amazon temu and aliexpress from desktop showdev chromeextension javascript webdev comments add comment 2 min read browser video background removal held up on a talking head and fell apart in a street crowd nullpointerzen nullpointerzen nullpointerzen follow sep 15 browser video background removal held up on a talking head and fell apart in a street crowd webdev javascript comments add comment 4 min read sign in for the ability to sort posts by relevant latest or top trending guides resources why your typescript 7 upgrade broke eslint ts jest and ts morph why angular vue and eslint can t upgrade to typescript 7 0 yet and why ts 7 1 changes every typescript 7 went native what actually changes and what doesn t jelly ui is this soft body physics library the future of web forms or just a fun party trick why google translate crashes your react app and how to fix it join our latest frontend challenge comfort food edition the dirty secret behind ai agents demo running an expo sdk 57 app in expo go you now need to be logged in on both ends node js 26 vs node js 24 lts should you upgrade now better than next js is rust finally ready for full stack web development introducing topcoat typescript 7 is officially released react 19 actions i explained 3 hooks without ever explaining what an action is stop importing uuid crypto randomuuid has been native since 2021 javascript event loop explained the complete guide anthropic rewrote bun in rust with 64 claude agents for 165k the real bill is higher angular 22 1 what s new why snapdom beats html2canvas for dom to image capture fulmine js a faster drop in express 5 replacement on uwebsockets js the ios safari keyboard scroll bug fixed with one line of css i built a local llm that runs entirely in your browser no install no gpu no server fixing javascript heap out of memory during production builds nuxt vs sveltekit what works better eslint plugin jsx a11y says it doesn t support eslint 10 it does i built an akinator api that works in 2026 with typescript and javascript retry and proxy sup typescript generics the complete guide with cheat sheet dev community a space to discuss and keep up software development and manage your software career home dev challenges reading list dev videos dev education tracks dev help advertise on dev organization 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