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

👋 Sign in for the ability to sort posts by relevant, latest, or top.
SQL was fine… until it wasn’t. Why we went NoSQL and never looked back

SQL was fine… until it wasn’t. Why we went NoSQL and never looked back

1
Comments 1
34 min read
How to Set Up a GitLab CI/CD Pipeline

How to Set Up a GitLab CI/CD Pipeline

17
Comments 1
8 min read
Shared States in React Have Never Been Easier ;)

Shared States in React Have Never Been Easier ;)

Comments
4 min read
Why Signal to Noise Ratio Matters When Building Audio Features on the Web

Why Signal to Noise Ratio Matters When Building Audio Features on the Web

5
Comments
3 min read
JavaScript One-Liners That Actually Slap 🚀 (And One That Doesn't 👀)

JavaScript One-Liners That Actually Slap 🚀 (And One That Doesn't 👀)

Comments
3 min read
Complete Guide to Passwordless Authentication

Complete Guide to Passwordless Authentication

1
Comments
8 min read
Stop Leaking Your Secrets! Secure Your Node.js Environment Variables.

Stop Leaking Your Secrets! Secure Your Node.js Environment Variables.

1
Comments
3 min read
I Built a Vanilla JS PWA: My Age & Duration Calculator Project

I Built a Vanilla JS PWA: My Age & Duration Calculator Project

Comments
1 min read
Node.js v24.7.0 Released – Post-Quantum Cryptography, Modern WebCrypto, and More

Node.js v24.7.0 Released – Post-Quantum Cryptography, Modern WebCrypto, and More

5
Comments 1
3 min read
Java’s not dead, but it’s definitely been zombified

Java’s not dead, but it’s definitely been zombified

1
Comments 1
31 min read
Frontend Performance Metrics FP, FMP, LCP, and CLS Explained

Frontend Performance Metrics FP, FMP, LCP, and CLS Explained

1
Comments
11 min read
Tu LLM es tu nuevo Dev Junior. Escríbele Tickets Perfectos con esta Estructura

Tu LLM es tu nuevo Dev Junior. Escríbele Tickets Perfectos con esta Estructura

5
Comments 1
4 min read
Why Error States Define the Quality of Your UI

Why Error States Define the Quality of Your UI

2
Comments
3 min read
🌍 Understanding JavaScript Scopes & Closures — Made Simple

🌍 Understanding JavaScript Scopes & Closures — Made Simple

1
Comments
2 min read
12 habits that secretly turn average devs into 10x engineers (no, not ChatGPT)

12 habits that secretly turn average devs into 10x engineers (no, not ChatGPT)

4
Comments
47 min read
Let's understand the Event Loop

Let's understand the Event Loop

5
Comments
8 min read
JSONB vs JSON: the Postgres/MySQL showdown that actually matters

JSONB vs JSON: the Postgres/MySQL showdown that actually matters

5
Comments
42 min read
Reverse proxy vs load balancer: stop mixing them up (before prod takes the hit)

Reverse proxy vs load balancer: stop mixing them up (before prod takes the hit)

4
Comments
42 min read
Beyond CAP: Understanding the PACELC Theorem in Distributed Systems

Beyond CAP: Understanding the PACELC Theorem in Distributed Systems

5
Comments
4 min read
PyTorch vs TensorFlow 2025: Which one wins after 72 hours?

PyTorch vs TensorFlow 2025: Which one wins after 72 hours?

4
Comments
33 min read
The Great Developer Split: How Juniors, Mid-Levels, and Seniors All Got Screwed.

The Great Developer Split: How Juniors, Mid-Levels, and Seniors All Got Screwed.

2
Comments
42 min read
Zero-touch Firebase SDKs with one command and CI magic

Zero-touch Firebase SDKs with one command and CI magic

2
Comments
41 min read
Part 1: The Absolute Basics - Your Roadmap to Getting Started

Part 1: The Absolute Basics - Your Roadmap to Getting Started

4
Comments
2 min read