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.
MCP Connector Poisoning: How Compromised npm Packages Hijack Your AI Agent

MCP Connector Poisoning: How Compromised npm Packages Hijack Your AI Agent

Comments 2
5 min read
How I Built a 100% Client-Side, ATS-Friendly CV Builder (Zero Backend for Ultimate Privacy

How I Built a 100% Client-Side, ATS-Friendly CV Builder (Zero Backend for Ultimate Privacy

Comments
2 min read
How We Built a Multi-Industry WhatsApp AI Agent in Israel

How We Built a Multi-Industry WhatsApp AI Agent in Israel

Comments
5 min read
Building an Offline-First Multi-Tenant SaaS with React 19 and Dexie.js

Building an Offline-First Multi-Tenant SaaS with React 19 and Dexie.js

Comments
3 min read
I built a free browser-based image toolkit with JavaScript

I built a free browser-based image toolkit with JavaScript

Comments
1 min read
I Built 65+ Free Browser Tools with Next.js — Zero Server Cost

I Built 65+ Free Browser Tools with Next.js — Zero Server Cost

1
Comments
2 min read
Stop Writing Messy Forms — Use This Modern Next.js Validation Stack

Stop Writing Messy Forms — Use This Modern Next.js Validation Stack

7
Comments
3 min read
Tired of Codebases with Mismatched File Casing? 🛠️ Meet CaselyJS (v1.0.4)

Tired of Codebases with Mismatched File Casing? 🛠️ Meet CaselyJS (v1.0.4)

2
Comments 1
2 min read
ReactJS Anti Pattern ~Props missing HTML attributes~

ReactJS Anti Pattern ~Props missing HTML attributes~

2
Comments
1 min read
Building a Privacy-First Price Alert System: Zero Cookies, Full Trust

Building a Privacy-First Price Alert System: Zero Cookies, Full Trust

Comments
9 min read
Mastering JavaScript Event Systems: Build a Production-Grade File Watcher from Scratch

Mastering JavaScript Event Systems: Build a Production-Grade File Watcher from Scratch

2
Comments
11 min read
With the advent of AI, is there still a need for Frontend Engineers?

With the advent of AI, is there still a need for Frontend Engineers?

24
Comments
4 min read
I built 6 JavaScript widgets with zero dependencies — here's what I learned from each

I built 6 JavaScript widgets with zero dependencies — here's what I learned from each

Comments
6 min read
Stop Baking Config Into Your React Builds — Runtime Env Vars for Containerised Frontends

Stop Baking Config Into Your React Builds — Runtime Env Vars for Containerised Frontends

1
Comments
8 min read
I Built 43 Browser Tools That Never Upload Your Files — Including a Video Editor

I Built 43 Browser Tools That Never Upload Your Files — Including a Video Editor

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