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.
From Project Feature to Reusable Package – Building My Dynamic Theme Kit

From Project Feature to Reusable Package – Building My Dynamic Theme Kit

1
Comments 2
3 min read
Production-Ready AI Agents in Node.js: Iteration Caps and Tracing

Production-Ready AI Agents in Node.js: Iteration Caps and Tracing

2
Comments
4 min read
I Built Open-Source AI Dev Tools to Close the Gap Between Seeing a Bug and Fixing It

I Built Open-Source AI Dev Tools to Close the Gap Between Seeing a Bug and Fixing It

Comments
2 min read
AI Wrote Your Code. Did It Ship a Vulnerability Too?

AI Wrote Your Code. Did It Ship a Vulnerability Too?

1
Comments
4 min read
How To Set Up React Context

How To Set Up React Context

2
Comments 1
5 min read
You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

You've been writing this `reduce` a hundred times. `Object.groupBy` does it in one.

16
Comments 4
4 min read
7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds

7 New JavaScript Features in ECMAScript 2026 That Replace Everyday Workarounds

5
Comments 2
8 min read
How to Test Email Change Flows in React Without Mixing Up Confirmation Links

How to Test Email Change Flows in React Without Mixing Up Confirmation Links

2
Comments 2
5 min read
Why I still teach Singleton even though modules make it redundant

Why I still teach Singleton even though modules make it redundant

1
Comments
2 min read
Stop Arguing About Code Style — Set Up Prettier, ESLint & Husky Once

Stop Arguing About Code Style — Set Up Prettier, ESLint & Husky Once

6
Comments 2
2 min read
TradeMemory

TradeMemory

1
Comments
3 min read
Query, Mutation, and Stream Are Not the Same Kind of Async Work

Query, Mutation, and Stream Are Not the Same Kind of Async Work

2
Comments 1
8 min read
MCP Explained for JavaScript Developers: The USB-C of AI Apps

MCP Explained for JavaScript Developers: The USB-C of AI Apps

1
Comments 1
2 min read
Seven Free Node.js Hosting Platforms Worth Trying in 2026

Seven Free Node.js Hosting Platforms Worth Trying in 2026

11
Comments
5 min read
Amazon SP-API Tutorial: Building Real Marketplace Automation (What No One Tells You)

Amazon SP-API Tutorial: Building Real Marketplace Automation (What No One Tells You)

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