📝 Latest Javascript Articles on Dev.to

🐍 Snake - rendered with 576 browser windows [warning - this WILL hurt your eyes...and PC!]

I have been quiet lately I know - but don't worry I haven't forgotten you all and how much you like......

• ✍️ Author: GrahamTheDev
• 👍 Reactions: 42 | 💬 Comments: 22
• 📅 Published on: 7/23/2026
• 🏷 Tags: javascript, webdev, programming, css

The Dirty Secret Behind AI Agents (Demo 🚀)

For quite a while now, I've had the feeling that AI agents are surrounded by this mystical aura.......

• ✍️ Author: Sylwia Laskowska
• 👍 Reactions: 101 | 💬 Comments: 97
• 📅 Published on: 7/23/2026
• 🏷 Tags: node, ai, agents, javascript

I turned a photo of my handwriting into a real font, then open-sourced the whole pipeline

I wrote my alphabet in a spiral notebook, took one photo in dim light, and got an installable TTF out......

• ✍️ Author: Danilo
• 👍 Reactions: 9 | 💬 Comments: 1
• 📅 Published on: 7/24/2026
• 🏷 Tags: opensource, javascript, ai, showdev

The Multiple Browser Tab Token Trap: Synchronizing JWT Refresh Across Browser Tabs

How multiple open browser tabs can accidentally DDOS your auth server, and how to fix it with the Web......

• ✍️ Author: Nilesh Kumar
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, webdev, react, architecture

Mastering Node.js Transport Layers in MCP: Stdio vs. Server-Sent Events (SSE)

The Model Context Protocol (MCP) has completely transformed how modern Large Language Models (LLMs)......

• ✍️ Author: Programming Central
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, typescript, ai, mcp

The Auth Pattern I Copy Into Every New Project Now

I stopped deciding auth architecture from scratch on every new project. After enough rounds of the......

• ✍️ Author: Hardil Singh
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: security, webdev, javascript, node

How I Built a Free Image Downloader & Collector Extension for Designers & Graphic Apparel Creators

As a developer and creator involved in graphic apparel design at Tshirts I Want, I constantly find......

• ✍️ Author: Alex | Tshirts I Want
• 👍 Reactions: 2 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, webdev, chrome, design

Indie dev building local-first browser tools

Hi, I'm Richard I'm an indie developer, and most of what I build starts the same way: I get annoyed......

• ✍️ Author: Richard Whitney
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, opensource, showdev, webdev

The Two-Map Party Game Server: Building GameNight Without a Database

Every party game app I'd used before building this one wanted an account, a lobby website, or a......

• ✍️ Author: Abhijat Chaturvedi
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: node, javascript, websockets, gamedev

React Native Background Sync That Survives App Kill (Plus Local Reminders)

Android-first guide to periodic sync with Headless JS and scheduled notifications with AlarmManager in React Native 0.86....

• ✍️ Author: Amit Kumar
• 👍 Reactions: 5 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: reactnative, android, javascript, mobile

I scanned 1,775 websites for GDPR consent leaks

Cookie banners are everywhere. Actual consent, it turns out, is not. I run a small consent tool, and......

• ✍️ Author: Victor
• 👍 Reactions: 2 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: privacy, webdev, javascript, gdpr

🚀Backend Internals #5: Stop Installing Everything Globally—Understand Local vs Global npm Packages

One of the most confusing topics for beginners in Node.js isn't Express, APIs, or asynchronous......

• ✍️ Author: Krati Joshi
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: beginners, javascript, node, tutorial

CompressPower

Most "compress your image" sites still work the same way: you upload the file, a server does the......

• ✍️ Author: Digital Web
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, webdev, performance, webperf

Serving a Large Art Set to a UI That Shows One Image

A card-drawing interface is a deceptively nasty frontend problem. The interaction is trivial — tap,......

• ✍️ Author: Saya Mori
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: webdev, performance, javascript, tutorial

Building a Single-File Offline Prompt Tool With Vanilla JS

Building a Single-File Offline Prompt Tool With Vanilla JS There's a quiet joy in shipping......

• ✍️ Author: PromptMaster
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: ai, javascript, webdev, tutorial

Voice Cloning: Sample Quality Beats Sample Length, and Prosody Beats Both

The hardest part of a personalized read-aloud picture book isn't generating a voice that sounds like......

• ✍️ Author: clarajbennett
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: ai, audio, javascript, machinelearning

No Backend, No Build Step: A Spaced-Repetition Chrome Extension That Runs on chrome.storage.sync Alone

Most "save this for later" tools I've used eventually want a server: an account system, a database......

• ✍️ Author: Abhijat Chaturvedi
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, chromeextension, productivity, webdev

Built a weather app with AI-generated summaries and city bookmarking—feedback welcome (took me 9-10 days; learned a lot)

Hey everyone, wanted to share a project I just finished. It's a weather app, but I tried to push past......

• ✍️ Author: CodeSmithNazim
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, react, uidesign, weather

How to Generate Realistic E-Commerce Test Data in 2 Lines of Code

Generate Realistic E-Commerce Test Data Some "fake data" libraries give a independent......

• ✍️ Author: Phạm Trần Gia Hưng
• 👍 Reactions: 2 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, node, testing, opensource

How I compile React-shaped TSX without React or hydration

I started building Kudzu while making static websites with AI. AI coding tools have become very good......

• ✍️ Author: bunzzeok
• 👍 Reactions: 3 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: javascript, typescript, webdev, opensource

React Native List Performance — ScrollView, FlatList, SectionList, FlashList

A practical deep dive into choosing and optimizing list components in React Native — when ScrollView hurts, how FlatList/SectionList really recycle, and why FlashList usually wins at scale....

• ✍️ Author: Amit Kumar
• 👍 Reactions: 5 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: reactnative, performance, javascript, mobile

Bumping to TypeScript 7? Catch what tsgo breaks in your repo before CI does

TypeScript 7.0 went GA on July 8 — the native Go compiler ("tsgo"), ~10x faster. Two things bite the......

• ✍️ Author: Christo
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: typescript, javascript, webdev, tooling

Automatic Page Layout Is a Search Problem

Every recipe layout system I've seen starts the same way. A designer makes a beautiful two-page......

• ✍️ Author: Hannah Whitfield
• 👍 Reactions: 2 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: webdev, programming, architecture, javascript

Stop Manually Validating API Input — Use Zod in Next.js

Every production Next.js app needs input validation. Most developers do it manually: if......

• ✍️ Author: Anas Sheikh
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: nextjs, programming, javascript, webapp

Node.js 26.5.0: What's New for Web Streams and Error Handling

I saw the Node.js 26.5.0 release announcement the other day, and as someone who's spent years......

• ✍️ Author: Frank
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: node, javascript, ai, webdev

I built KD Screen Guard: A zero-dependency, tamper-resistant lock screen overlay with WebAuthn biometrics & intruder camera capture

Most JavaScript screen lock libraries simply hide the UI. If someone removes an overlay through......

• ✍️ Author: KhvichaDev
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: webdev, javascript, react, security

Five percentage-change bugs I've shipped to production

Percentage change is four characters of arithmetic: (new - old) / old. I have shipped bugs in it five......

• ✍️ Author: hqqqqy
• 👍 Reactions: 1 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: debugging, javascript, programming, software

Building My Developer Portfolio with React and Vite

Building My Developer Portfolio with React and Vite Hi, I'm Dikesh Sapkota, a Full Stack Web......

• ✍️ Author: Dikesh Sapkota
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: ai, webdev, javascript, career

I Added Google Sign-In to My SaaS... and My Signup Flow Finally Feels Professional

For months I kept LaunchAlly's authentication simple: email, password, verify your email and you're......

• ✍️ Author: LaunchAlly
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: webdev, programming, productivity, javascript

React Hooks

React Hooks Hooks allow functions to have access to state and other React features without using......

• ✍️ Author: vidhya murali
• 👍 Reactions: 0 | 💬 Comments: 0
• 📅 Published on: 7/25/2026
• 🏷 Tags: react, webdev, frontend, javascript