!Cover image for Stop the White Screen of Death: Master Next.js Error Boundaries 🛡️https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=...
What I built I got tired of building the same login pages, sidebars, and dashboard layouts from scratch. So I built DashKit Pro — a complete admin dashboard st...
!Cover image for How I Added Pre-Rendering to a Vite Multi-Page App Without SSRhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,...
Introduction As web developers we constantly need to sketch system architectures, brainstorm UI layouts, or explain complex ideas visually to a teammate. Every...
Introduction I often found myself frustrated by switching back and forth between VS Code and heavy browsers just to check if my UI was responsive. It broke the...
Overview - Test coverage: 99.8 % of Bun’s pre‑existing test suite passes on Linux x64 glibc in the Rust rewrite. - The codebase is essentially the same, but Ru...
Motivation As a senior React developer I’ve built dozens of algorithm visualizations. Most explanations use static diagrams that only show the final result, le...
Think about what you're entering: your salary, loan amounts, investment goals, health data. That information is incredibly sensitive, yet many calculator platfo...
If you've built anything that touches the web, you've dealt with URL encoding. And if you're honest, you've probably Googled “encodeURI vs encodeURIComponent” a...
Introduction I’m sharing mochi.js – a Bun‑native, raw‑CDP browser automation framework. It’s designed to make programmatic browser use more effective by focusi...
The Result: 1.06 Weighted Geometric Mean !Benchmark resulthttps://media2.dev.to/dynamic/image/width=800%2Cheight=%2Cfit=scale-down%2Cgravity=auto%2Cformat=auto...
A philosophy of simplicity, modularity, consistency, and craft. Over the past several years, stdlib has grown from a small collection of utilities into a large,...
Last month, I watched someone at a café upload their national ID Aadhaar to an online PDF tool. They needed to crop it, compress it, and send it somewhere. So t...
Overview After uploading what felt like the 100th sensitive contract to a “free” PDF site, I realized I had no idea where those files were going. To keep docum...
!Cover image for The 99% Mystery: Why My ffmpeg.wasm App Stalls at the Finish Linehttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=au...
Chasing speed when learning to code is the fastest way to hit a wall. We're often told to “learn fast” and “build quick,” but after years of building websites a...
Introduction JavaScript is synchronous by default, meaning code executes line‑by‑line and each statement waits for the previous one to finish. Operations such...
I’ve been building mzi.app — a browser‑based hub for small games, tools, and apps that work without installing anything. The idea was simple: open something ins...
Modern Frontend Engineering and JavaScript Modern frontend engineering has evolved far beyond simply making websites interactive. Today’s frontend developers bu...
!Cover image for Hyu‑Sync, my fun side projecthttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fdev-to-...
Situation My app won’t render at all on my phone—just a blank screen and multiple errors. !App screenshot showing blank screenhttps://media2.dev.to/dynamic/ima...
What is async and await? - async and await are used to handle asynchronous operations in a cleaner way. Why Do We Need Asynchronous Code? - JavaScript is singl...
What is fetch - fetch is a built‑in function used to make network/HTTP requests. - It returns a Promise. - The Promise resolves with a Response object represen...
What is the Virtual DOM? The Virtual DOM VDOM is a lightweight, in‑memory representation of the real DOM. It acts like a digital copy of the actual DOM tree, a...
The problem with multi‑step forms in React If you've built more than one multi‑step form in React, you've probably noticed a pattern… Every time you need: - St...
Ever had users sign up with test@mailinator.com or fake@guerrillamail.com? Disposable email addresses are a headache for any app that relies on real user contac...
Introduction Most Markdown editors today assume cloud sync, Electron, or heavy installations. I wanted something simpler. !App screenshothttps://media2.dev.to/...
7 CODER WORDShttps://7coderwords.kenamick.com/ 7 CODER WORDS is a word‑puzzle game for anyone interested in computer science. You receive seven clues and must...
!Cover image for Making my own framework. Any tips?https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F%2Fde...
JS Trace Table As JavaScript continues to dominate the global software landscape, a new specialized tool, JS Trace Table, has launched to redefine how develope...
!pichttps://media2.dev.to/dynamic/image/width=256,height=,fit=scale-down,gravity=auto,format=auto/https%3A%2F%2Fdev-to-uploads.s3.amazonaws.com%2Fuploads%2Farti...
!Cover image for Building B2B feedback, NPS, and announcements as a drop-in embed not another heavy SDKhttps://media2.dev.to/dynamic/image/width=1000,height=420...
Overview Most websites want you to stay. I built one that hopes you leave quickly. It’s called WheelPage – a small browser tool for tiny decisions. - Website:...
!Cover image for From Script to Browser: Migrating My First Custom Solana Keypairhttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=aut...
1. The manifest_version: 3 Transition Is Mostly Smooth, But Watch for Service Worker Gotchas Firefox now supports Manifest V3, and I decided to go all‑in. Most...
The Problem With Most Browser Extensions Browser extensions have a reputation problem. Many popular extensions — weather apps, new tab replacements, productivi...
!Cover image for React won't die because AI won't let ithttps://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,format=auto/https%3A%2F...
!Cover image for ReactJs Performance ~ Web Workers for Heavy Computations ~https://media2.dev.to/dynamic/image/width=1000,height=420,fit=cover,gravity=auto,form...
Problem Overview Data vanished. No error, no warning, no stack trace—just gone. Your app writes files using the File System Access API, one of the most excitin...
Day 13 of 100 Days of Solana — Reflecting on Reading On‑Chain Data When I started this challenge two weeks ago with Major League Hacking MLH, I thought blockcha...
React State Feels Simple — Until It Doesn't React state management often feels more complex than it needs to be. Selectors, memoization, dependency arrays… It’...
Introduction Hey there, fellow developers! If you've spent time building web applications, you've likely heard the buzz around Node.js. If you haven't, check o...
Parsing URLs sounds simple until you actually try it. There are dozens of edge cases: URLs with no path, query parameters containing = in values, fragments that...
MiniPx – A Fully Browser‑Based Image Compressor Every online image compressor I tried had the same problem: they upload your photos to a server. TinyPNG, iLove...
!https://mathstick.github.io/images/logo.png Fix It By Moving One Stick Inventory Earn sticks to unlock items. Your progress will be saved locally on this devic...
Why console.error in Tests Is a Code Smell Vitest doesn't care about console output by default. You can console.error all day and tests still pass. The problem...
ISS Visibility – “Is it visible right now?” When the ISS passes overhead at the right moment you can step outside and watch a bright point of light streak from...
Introduction Imagine you're a developer staring at a blank screen, buzzing with ideas for your dream web app, but you're stuck at the very beginning—no runtime...
