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.
HTTP client as a first-class citizen: zero deps, bit-for-bit parity, async by default

HTTP client as a first-class citizen: zero deps, bit-for-bit parity, async by default

2
Comments 1
8 min read
Why recording video in the browser is harder than it looks

Why recording video in the browser is harder than it looks

Comments
5 min read
How I Added a Premium Telegram Alert Bot to My Polymarket Whale Tracker — And Why Speed Is the Product

How I Added a Premium Telegram Alert Bot to My Polymarket Whale Tracker — And Why Speed Is the Product

1
Comments 5
4 min read
Building a real-time browser MMORPG with Three.js, Rust/Wasm, and Durable Objects

Building a real-time browser MMORPG with Three.js, Rust/Wasm, and Durable Objects

3
Comments
4 min read
Day 27 of learning MERN Stack

Day 27 of learning MERN Stack

Comments
2 min read
I built a screen recorder with no backend - and 3 browser bugs nearly beat me

I built a screen recorder with no backend - and 3 browser bugs nearly beat me

4
Comments
1 min read
I Built an Interactive JS Learning Site — No Courses, No Paywalls, Just Animated Examples

I Built an Interactive JS Learning Site — No Courses, No Paywalls, Just Animated Examples

Comments
2 min read
useOptimistic + useActionState: React 19 Killed 50 Lines of My Boilerplate

useOptimistic + useActionState: React 19 Killed 50 Lines of My Boilerplate

8
Comments 2
2 min read
Stop Unnecessary Re-renders: Architecting React Context ⚡

Stop Unnecessary Re-renders: Architecting React Context ⚡

Comments
3 min read
PWA in 2026: Why Progressive Web Apps Still Matter

PWA in 2026: Why Progressive Web Apps Still Matter

Comments
4 min read
Keyless Public APIs Most Developers Do Not Know About

Keyless Public APIs Most Developers Do Not Know About

2
Comments 2
2 min read
I audited my own AI-generated refactor and found 46 bugs. Here's what that taught me.

ESLint as a safety gate for AI code

I audited my own AI-generated refactor and found 46 bugs. Here's what that taught me.

7
Comments 16
5 min read
Your scroll listener fires on every pixel. `IntersectionObserver` fires when visibility actually changes.

Your scroll listener fires on every pixel. `IntersectionObserver` fires when visibility actually changes.

11
Comments
4 min read
Speechify's Scalability Secret: A Deep Dive into Vercel's Edge Network

Speechify's Scalability Secret: A Deep Dive into Vercel's Edge Network

7
Comments 14
2 min read
LLM Cost Optimization: How We Cut Reply Generation from $0.011 to $0.0009

LLM Cost Optimization: How We Cut Reply Generation from $0.011 to $0.0009

1
Comments
9 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.