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!

Posts

đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.
Three Modern JavaScript Features That Replace Older Patterns

Three Modern JavaScript Features That Replace Older Patterns

1
Comments
2 min read
Vue to React Migration in Action: Real CRM Admin Case

Vue to React Migration in Action: Real CRM Admin Case

Comments
5 min read
GSoC 2026 Selected Projects

GSoC 2026 Selected Projects

1
Comments
5 min read
How to Build a Secure Serverless Port Scanner in Node.js (and Prevent SSRF)

How to Build a Secure Serverless Port Scanner in Node.js (and Prevent SSRF)

2
Comments
3 min read
🌲 > *"Ærlighet varer lengst."* — Honesty lasts the longest. 🇳🇴 > *May 9, 2026*

🌲 > *"Ærlighet varer lengst."* — Honesty lasts the longest. 🇳🇴 > *May 9, 2026*

Comments
3 min read
Build a tiny MCP server in JavaScript -Claude, Codex friendly

Build a tiny MCP server in JavaScript -Claude, Codex friendly

2
Comments
5 min read
Schema Markup JSON-LD for Local Businesses: A Practical Implementation Guide

Schema Markup JSON-LD for Local Businesses: A Practical Implementation Guide

Comments
5 min read
ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026?

ip-api.com vs ipify vs IPPubblico — which free IP API should you use in 2026?

Comments 1
5 min read
Why We Stopped Sending Sensitive Documents to the Cloud (and Built a Local-First AI Analyzer Instead)

Why We Stopped Sending Sensitive Documents to the Cloud (and Built a Local-First AI Analyzer Instead)

Comments
3 min read
useReducer in React — Why It Exists and How to Use It Simply

useReducer in React — Why It Exists and How to Use It Simply

1
Comments
5 min read
How to build a real-time trading dashboard with Socket.io and trade-data-generator

How to build a real-time trading dashboard with Socket.io and trade-data-generator

1
Comments
6 min read
I used AI to build and ship a Next.js component kit in one session — here's the result

I used AI to build and ship a Next.js component kit in one session — here's the result

Comments
2 min read
Why JSON.stringify Removes Undefined Values

Why JSON.stringify Removes Undefined Values

6
Comments
4 min read
Mastering Axios in React: API Calls Made Easy

Mastering Axios in React: API Calls Made Easy

3
Comments
5 min read
Build a Lightning-Gated MCP Server in 10 Minutes

Build a Lightning-Gated MCP Server in 10 Minutes

Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.