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.
My users were leaving silently. This one change made them talk.

My users were leaving silently. This one change made them talk.

Comments
2 min read
Master Array Flattening in JS

Master Array Flattening in JS

6
Comments
3 min read
I Accidentally Wrote a Filesystem Driver. For a Browser. 🤔

Fixing silent data loss from background kills

I Accidentally Wrote a Filesystem Driver. For a Browser. 🤔

28
Comments 5
4 min read
Building Darwin.js: A Self-Evolving Agentic Bazaar with FastAPI, Next.js, ChromaDB, and Live Code Mutation

Building Darwin.js: A Self-Evolving Agentic Bazaar with FastAPI, Next.js, ChromaDB, and Live Code Mutation

Comments
5 min read
I Built 6 Free Browser-Based Tools — 50+ Utilities, No Signup, No Tracking

I Built 6 Free Browser-Based Tools — 50+ Utilities, No Signup, No Tracking

1
Comments
3 min read
My LinkedIn Scraper Just Hit Top 20 on Apify — Here's How I Built It

My LinkedIn Scraper Just Hit Top 20 on Apify — Here's How I Built It

Comments
4 min read
Building a Browser-Based PDF Cover Replacement Tool: A Technical Deep Dive

Building a Browser-Based PDF Cover Replacement Tool: A Technical Deep Dive

1
Comments
5 min read
The new Keyword in JavaScript

The new Keyword in JavaScript

Comments
2 min read
I Built a 510-Byte Analytics Script. Here's How (and Why).

I Built a 510-Byte Analytics Script. Here's How (and Why).

Comments
2 min read
Beyond the Browser: The Rise of the "Cloud Frontend Engineer"

Beyond the Browser: The Rise of the "Cloud Frontend Engineer"

Comments
3 min read
How I Solved the IP-Bound Cookie Problem in My Web Scraper With a Self-Hosted Proxy

How I Solved the IP-Bound Cookie Problem in My Web Scraper With a Self-Hosted Proxy

1
Comments 1
4 min read
Validando CNPJ de forma definitiva: Conheça a cnpj-universal (JS/TS)

Validando CNPJ de forma definitiva: Conheça a cnpj-universal (JS/TS)

Comments
2 min read
Clean Architecture in .NET 2026: Building Modern, Scalable Applications

Clean Architecture in .NET 2026: Building Modern, Scalable Applications

Comments
5 min read
Getting Started with Playwright E2E Testing

Getting Started with Playwright E2E Testing

1
Comments
1 min read
Open World Zone Product Direction and First Version

Open World Zone Product Direction and First Version

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