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.
Four YouTube Shorts thumbnail rules I hardcoded after 19 videos of analytics

Four YouTube Shorts thumbnail rules I hardcoded after 19 videos of analytics

1
Comments
4 min read
Demystifying libuv: The Secret Engine Powering Node.js

Demystifying libuv: The Secret Engine Powering Node.js

1
Comments 1
3 min read
Building Zero-Reload Web Forms: Master Modern Async/Await JavaScript Fetch API

Building Zero-Reload Web Forms: Master Modern Async/Await JavaScript Fetch API

1
Comments
3 min read
I fixed my scraper four times in one night. Each fix revealed a worse bug.

I fixed my scraper four times in one night. Each fix revealed a worse bug.

7
Comments
3 min read
Designing an idempotent confirmation protocol for browser uploads

Designing an idempotent confirmation protocol for browser uploads

1
Comments
3 min read
Your Calculator App Has a Units Problem

Your Calculator App Has a Units Problem

1
Comments 1
4 min read
Next.js Middleware Auth Bypass: CVE-2025-29927

Next.js Middleware Auth Bypass: CVE-2025-29927

1
Comments
5 min read
Behind the Scenes: Code Cleanup and Rollbacks in react-hook-lab

Behind the Scenes: Code Cleanup and Rollbacks in react-hook-lab

Comments
1 min read
Handling Mixed-Unit API Payloads: Why I Built a Zero-Ad Unit Converter

Handling Mixed-Unit API Payloads: Why I Built a Zero-Ad Unit Converter

1
Comments 1
3 min read
The Biggest Misconception About React Reconciliation (Render vs. Paint) 2nd part

The Biggest Misconception About React Reconciliation (Render vs. Paint) 2nd part

6
Comments
2 min read
Nexcord@0.0.3

Nexcord@0.0.3

2
Comments
3 min read
3 ways to add link previews to a React app (with and without a backend)

3 ways to add link previews to a React app (with and without a backend)

1
Comments 1
3 min read
Automating Our DevRel: Improving React Hook Lab's Release Workflow

Automating Our DevRel: Improving React Hook Lab's Release Workflow

Comments
1 min read
Where Should You Store Your JWT?

Where Should You Store Your JWT?

Comments
2 min read
React Made Simple: Components, Hooks (useState), and the Virtual DOM Explained

React Made Simple: Components, Hooks (useState), and the Virtual DOM Explained

3
Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.