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.
Alphabetic Array Sort in JavaScript

Alphabetic Array Sort in JavaScript

8
Comments 2
3 min read
Building a Free Online PDF Converter with Next.js: What I Learned

Building a Free Online PDF Converter with Next.js: What I Learned

2
Comments
3 min read
I Replaced Termius with a Browser Tab (And It Has ESC, Ctrl, and F-keys)

I Replaced Termius with a Browser Tab (And It Has ESC, Ctrl, and F-keys)

1
Comments 3
3 min read
I Built Et3am Because a Family in Alexandria Died of Despair

I Built Et3am Because a Family in Alexandria Died of Despair

3
Comments
3 min read
Implementing a Reliable UDP-Based Protocol (ARQ) for High-Throughput Systems

Implementing a Reliable UDP-Based Protocol (ARQ) for High-Throughput Systems

2
Comments 6
4 min read
Base64 Encoding Explained — JWT Tokens, Data URIs, and Kubernetes Secrets

Base64 Encoding Explained — JWT Tokens, Data URIs, and Kubernetes Secrets

Comments
6 min read
We prevented our agents going rogue at runtime.

We prevented our agents going rogue at runtime.

Comments
3 min read
The Messages Array, in 4 GIFs

Hidden token costs of chat history

The Messages Array, in 4 GIFs

16
Comments 18
6 min read
Building an AST-Parsing JavaScript Interpreter from Scratch: Lexing, Parsing, and Evaluation

Building an AST-Parsing JavaScript Interpreter from Scratch: Lexing, Parsing, and Evaluation

1
Comments 2
4 min read
I built an agent to audit incidents, but it kept forgetting Tuesday by Wednesday.

I built an agent to audit incidents, but it kept forgetting Tuesday by Wednesday.

Comments
3 min read
From Frustration to Innovation: Why I Built Caloi AI

From Frustration to Innovation: Why I Built Caloi AI

Comments
2 min read
Building a Clipboard Listener Chrome Extension in Manifest V3: What I Learned the Hard Way

Building a Clipboard Listener Chrome Extension in Manifest V3: What I Learned the Hard Way

Comments
2 min read
CLI tool so unnecessary that it's actually useful.

CLI tool so unnecessary that it's actually useful.

3
Comments
1 min read
Episode 0: Deconstructing a Vibe-Coded Web App — 32 Steps From Black Box to Mine

Episode 0: Deconstructing a Vibe-Coded Web App — 32 Steps From Black Box to Mine

Comments
5 min read
I rebuilt 4 dev tools so they stop uploading your data

I rebuilt 4 dev tools so they stop uploading your data

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