Skip to content

DEV Community

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!

👋 Sign in for the ability to sort posts by relevant, latest, or top.

Ozor

Mar 5

How to Build a Domain Intelligence Tool in JavaScript (DNS + Geolocation + Screenshots)

#javascript #security #webdev #tutorial

8 min read

Boehner

Mar 29

I Built a Tool That Generates a Complete Competitive Intelligence Report on Your Market in Minutes

#ai #webdev #startup #javascript

4 min read

William Andrews

Apr 8

How to Test WebSocket Connections in the Browser (No Install Required)

#websocket #javascript #webdev #tutorial

4 min read

Ozor

Mar 5

How to Build Website Uptime Monitoring in 10 Minutes (Free, No Dependencies)

#webdev #monitoring #javascript #tutorial

4 min read

Apr 8

I Ran Three LLMs Entirely in the Browser to Power an AI Coaching Feature. Here's What I Measured.

#webgpu #llm #javascript #react

9 min read

Mar 6

I tried every axios alternative. None of them worked on Cloudflare Workers. So I built one.

#node #javascript #cloudflare #webdev

3 min read

TateLyman

Mar 10

I built 20 free browser-based developer tools — no tracking, no accounts, 100% client-side

#webdev #javascript #opensource #productivity

2 min read

Alan West

Mar 28

Auth0 vs Clerk vs Authon: Migrating Your Auth Layer in 2026

#authentication #webdev #javascript #opensource

4 min read

Mar 5

Sheet2Mock: Convert Excel/Google Sheets Data to Clean JSON + TypeScript Interfaces

#typescript #javascript #webdev #developertools

2 min read

Apr 8

Browser Rendering Pipeline: How JS and CSS Become Pixels

#performance #browser #rendering #javascript

9 min read

Mar 6

I Built a Complex AI Orchestration System. Then I Deleted 93% of It.

#ai #programming #opensource #javascript

2 min read

Apr 8

Local LLM Integration in .NET: Running Phi-4, Llama 3 & Mistral With ONNX Runtime

#dotnet #react #javascript #webdev

3 min read

Ogasawara Kakeru

Mar 5

ReactJS Anti Pattern　~Passing Setters Down the Components Tree~

#webdev #javascript #react #frontend

2 min read

Ozor

Mar 6

How to Build a Visual Regression Testing Tool in JavaScript (Free API)

#testing #javascript #webdev #tutorial

5 min read

Rohit Soni

Mar 5

How to Vet an Enterprise AI Implementation Partner in 2026

#ai #programming #javascript #productivity

2 min read

👋 Sign in for the ability to sort posts by relevant, latest, or top.