60 stories tagged with #javascript, in publish-time order across the WeSearch catalog. Tag pages update as new stories ingest.
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AI crawlers don't render JavaScript – I audited my own 11 production sites
AI crawlers don't run JavaScript. I audited 11 of my own production sites and three were invisible to ChatGPT. The script, the fix, and the three bugs I hit building it.…
Microsoft lays out a buffet of Windows goodies for JavaScript Developers
Just don’t call the WinRT projection for Node.js a lock-in…
Scriptc by Vercel: TypeScript-to-Native compiler, no JavaScript engine in binary
TypeScript-to-Native Compiler. Contribute to vercel-labs/scriptc development by creating an account on GitHub.…
How to Build a Browser-Based PDF Blur Tool Using JavaScript
Many PDF documents contain information that shouldn't be shared publicly. Personal details, financial figures, signatures, addresses, account numbers, employee information, or conf…
Show HN: A static, client-side tarot calculator for Brazilian Portuguese
Descubra como saber seu Arcano Pessoal: faça o cálculo grátis pela data de nascimento ou por nome + data e leia seu significado simbólico.…
🚀 I Built a Expense Splitting App Using HTML, CSS & JavaScript
🚀 I Built a Bill Splitting App Using HTML, CSS & JavaScript After spending time...…
98% Isn't Much
Show HN: Meow – The 4th and final JavaScript runtime and toolchain
Yes, I said final. Fight me in the comments. But seriously: there are basically exactly 3 serious JS runtimes in the world. (Now 4... or 1, idk). Why? Because the modern JS ecosyst…
How Does a Senior Front-End Developer Think?
How Does a Senior Front-End Developer Think? Technical Decision-Making, Avoiding...…
Looping in JS
What is Looping? And why do we use it? Loops are used to execute a block of code repeatedly without...…
5 Free Financial Calculators I Built That I Actually Use Every Month
I built FinCalc AI after getting tired of maintaining Excel spreadsheets for mortgage, compound interest, and retirement math.…
# Understanding JavaScript Closures Through Call Stack, Heap Memory & `[[Scopes]]`
Closures aren't magic—they're simply JavaScript's way of keeping data alive when a function still...…
Best players for FC 26 Continental Cannon Evolution
Boom shot!…
Intentionally blocking rendering with JavaScript
[AskJS] Help with new JavaScript-based object notation format (cuz JSON sucks)
Beyoneer Programming Interface for Plugins
Developing plugins for Beyoneer IDE (BPI) requires efficient keyboard mapping, utilizing BeyoCommand_...…
[$] Open-source security is not a solo activity
Over time, many open-source maintainers face the same problem: they lack the time to do all of [...]…
How does VuReact compile Vue 3's CSS Modules to React?
VuReact is a compiler toolchain for migrating from Vue to React — and for writing React with Vue 3...…
Native-first Markdown editor: Works like a standard textarea
Easy to embeddable JavaScript markdown editor with real-time preview, syntax highlighting, and easy integration for web projects…
Optimize Images, CSS, JavaScript and PDFs and Get Temporary CDN URLs
Upload frontend assets and test automatic optimization for images, PDFs, JavaScript and CSS. Compare optimized variants and see how Smooth CDN fits into a web asset pipeline.…
Learning React useState Through Practical Examples
When starting React, understanding useState only through definitions can feel confusing. The easiest...…
🚀 Getting Started with Node.js – from “What is this?” to your first web server
Node.js lets us run JavaScript outside the browser. In this guide, we’ll install Node, learn the...…
I switched from ip-api.com to a zero-key API — here's why (HTTPS, CORS, no rate limits)
f you've ever tried to use ip-api.com on an HTTPS site, you've hit this error: "Mixed Content: The...…
Gnoke Skins: Every Device Already Has a Face. It Just Hasn't Rendered Yet.
There is a gap between what a device knows and what it shows. Your MiFi router knows signal...…
I built a free Glassmorphism CSS Generator to speed up UI design 🎨
Hello everyone! 👋 While working on my frontend skills and practicing HTML, CSS, and JavaScript, I...…
Stop pasting JWTs into jwt.io
You're debugging an authentication issue. The frontend is getting a 403. You copy the JWT from the...…
Why JWT Exists - What I Figured Out by Looking at Real Numbers
When I first learned JWT, I thought it was just "a library to create tokens for authentication." I...…
How I fixed a silent hang in the XDG Desktop Portal and turned it into an npm package
I was building Parallel — an Electron app for local network screen sharing on Linux. No server, no...…
I Built a Sandbox for Neal.fun's Cursor Camp — Here's What Happened
A few months ago I opened Neal Agarwal's Cursor Camp for the first time. You know that feeling when a...…
What criteria do you use when selecting a JavaScript library?
Operators in JavaScript
JavaScript operators are symbols or keywords used to perform operations on values and variables....…
How I built a 100/100 PageSpeed score with Astro
When I started Base7 Studio I made one commitment — every site we ship has to be fast. Not "pretty...…
How I built a fast Freelance Rate Calculator in Vanilla JS
As developers and designers, transitioning to freelance work means figuring out exactly how much to...…
#javascript #apnacollege #webdev #beginners
Hello Dev Community! 👋 It is officially Day 12 of my journey to master the MERN stack! Today, I...…
Building Twitter-style Collapsible Tabs in React Native (the easy way)
The problem Almost every social / commerce app eventually needs the same screen: A large...…
I Built a Carbon Calculator Where the Emission Factor Doesn't Exist
Most emissions calculators are a lookup table with a UI bolted on. You pick "diesel," the code...…
FlatMap Is More Important Than You Think
Most developers learn map() and think they've figured it out. You take a value. Transform it. Get...…
[AskJS] What's your preferred approach to idempotency in JavaScript backends?
I built a minimalist typing speed tester with real-time WPM, CPS, and post-session analytics
Most typing speed tests are cluttered with ads, distracting animations, and metrics that reset...…
Stop Arguing About Tailwind Class Order - Sort Them Automatically (Free Tool)
You've seen it in code reviews. Someone writes: <div class="text-sm mt-4 hover:scale-105 p-4...…
I built 21 free dev tools that never upload your data
Every developer needs quick tools — JSON formatter, Base64 encoder, JWT decoder, regex tester, PDF...…
Gleam v1.17.0 Released
News post: Gleam v1.17.0 released!…
Payload CMS Has 508 Circular Dependencies in 675 Files. Here's How Every Codebase Accumulates Them.
Circular dependencies accumulate silently in every large JavaScript codebase. Payload has 508 in 675 files, Next.js has 17 in 14,556. Here are the 3 formation patterns, what each r…
I built a free streaming site from scratch — no ads, no framework, no BS
How I built ELI6 Movies: a full-stack streaming webapp with vanilla JS, Node/Express, MongoDB, JWT auth, custom analytics, and zero npm-heavy frameworks.…
Payload CMS Has 508 Circular Dependencies. Next.js Has 17. Here's Why They Form in Every Large JS Codebase.
Circular dependencies accumulate silently in every large JavaScript codebase. Payload has 508, Next.js has 17, Strapi has 5. They bloat your bundle, slow your tests, cause mysterio…
6 Advanced JavaScript Questions That Separate Seniors from Mid-Levels
1. Stale closure & primitive capture What is the output of the following...…
Mediabunny – A complete JavaScript media toolkit for the browser
A JavaScript library for reading, writing, and converting media files. Directly in the browser, and faster than anybunny else.…
JavaScript Closures Explained Like You're Learning Them for the First Time
JavaScript Closures Explained Like You're Learning Them for the First Time Have...…
Useful vscode extension patterns - Update Notification
Basic problem - when you ship a new version, you want users to know and look at what's changed. I...…
Stop writing useEffect for data fetching. Use Request Strategies instead.
⚠️ 【Draft – Pending Review】 Stop writing useEffect for data fetching. Use Request...…
The Best Form Backend Services in 2026
Comparing form backend services for developers in 2026: Forminit, Formspree, FormSubmit, EmailJS, Netlify Forms, and Basin on validation, auth, file uploads, and pricing.…
22 Astro Best Practices: The Bookmark-Worthy Tips
22 Astro Best Practices: The Bookmark-Worthy Tips At QuotyAI I'm using Astro to build...…
How I Built and Deployed a Secure AI Text Editor Entirely on a Mobile Phone
🚀I wanted to share a milestone project I just took live. It’s an AI-driven text editor called...…
Prose reader, a modern reading system engine
Hi HN, I’m the author of Prose, an MIT-licensed reading engine / SDK for building reading apps on...…
Solo dev here. HTML/CSS felt easy. JavaScript is humbling me — and that's okay.
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Building with Bun and Cosmic: The Fastest JavaScript Stack in 2026
Originally published on the Cosmic blog. Bun v1.3 is the fastest JavaScript runtime you can use...…
Math.random() Is Not Random Enough. I Found It Building API Keys in a 44K-Star Repo.
Math.random() is a PRNG, not a CSPRNG. An attacker who observes a few outputs can predict every future call. I found this exact pattern generating API keys in a 44K-star open-sourc…
Processing a 2GB CSV in Node Without Running Out of Memory
Why the obvious approach crashes, and how a few generator functions keep memory flat no matter how...…
⭐ State.js Basics — Learn CSS‑Driven Reactivity in 10 Minutes
State.js looks simple — just HTML attributes — but it introduces a new mental model for building...…