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.
The Definitive Guide to Updating Node.js Dependencies in 2025 (Without Losing Your Mind)

The Definitive Guide to Updating Node.js Dependencies in 2025 (Without Losing Your Mind)

Comments
3 min read
How I Built Symphony.js: Turning Bugs Into Music With Kiro

How I Built Symphony.js: Turning Bugs Into Music With Kiro

Comments
2 min read
What is the output of the following JavaScript code snippet? (|| and && example)

What is the output of the following JavaScript code snippet? (|| and && example)

Comments
1 min read
A Practical Guide to Structuring Express.js Projects for Scalability and Maintainability

A Practical Guide to Structuring Express.js Projects for Scalability and Maintainability

Comments
3 min read
How HTML5 Powers Modern Animal Games You Can Play in the Browser

How HTML5 Powers Modern Animal Games You Can Play in the Browser

Comments
3 min read
NDC Conferences: View Transitions: The brand-new browser API that will blow your mind - Jakob Endrestad Kielland

NDC Conferences: View Transitions: The brand-new browser API that will blow your mind - Jakob Endrestad Kielland

Comments
1 min read
Case Study: How I Reduced React Bundle Size by 68%

Case Study: How I Reduced React Bundle Size by 68%

1
Comments
2 min read
Coding Challenge Practice - Question 51

Coding Challenge Practice - Question 51

Comments
1 min read
Building a Full-Stack Pokédex Search Engine with React and Spring Boot

Building a Full-Stack Pokédex Search Engine with React and Spring Boot

Comments 1
1 min read
Lexical scope in JavaScript

Lexical scope in JavaScript

Comments
2 min read
Your SSR Isn’t Fast — Hydration Is Dragging It Down

Your SSR Isn’t Fast — Hydration Is Dragging It Down

Comments
4 min read
TelUI leaves prototype purpose, now for making UIs!

TelUI leaves prototype purpose, now for making UIs!

Comments
2 min read
TelUI 1.2: TelUI with fun alignments!

TelUI 1.2: TelUI with fun alignments!

Comments
2 min read
Becoming a Full stack developer Day 3

Becoming a Full stack developer Day 3

1
Comments 1
1 min read
React state management best practices - Mastering React State...

React state management best practices - Mastering React State...

3
Comments
5 min read
Which Browser to Use in 2026: My Messy Notes

Which Browser to Use in 2026: My Messy Notes

5
Comments
6 min read
Build Your First TCP Chat App Using Node.js 🚀💬

Build Your First TCP Chat App Using Node.js 🚀💬

Comments
3 min read
Foundation JS

Foundation JS

Comments
4 min read
TOML vs JSON: The Ultimate Configuration Format Showdown (2025)

TOML vs JSON: The Ultimate Configuration Format Showdown (2025)

1
Comments
10 min read
Building a Sub-Millisecond Vector Database in Rust/WASM

Building a Sub-Millisecond Vector Database in Rust/WASM

Comments
2 min read
# 🧠 My First Online Hackathon Experience — How I Built InterviewCoach.AI

# 🧠 My First Online Hackathon Experience — How I Built InterviewCoach.AI

Comments
1 min read
System Design: How Random Video Chat Apps Work

System Design: How Random Video Chat Apps Work

Comments
3 min read
Learning JS in 30 Days - Day 9

Learning JS in 30 Days - Day 9

Comments
5 min read
I’m 13 and Just Made a Web Framework 3x Faster Than Express

I’m 13 and Just Made a Web Framework 3x Faster Than Express

Comments
1 min read
Closures Explained in minutes (🎒 Backpack Analogy)

Closures Explained in minutes (🎒 Backpack Analogy)

1
Comments
3 min read
loading...