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.
Minify GeoJSON Files: A Practical Guide

Minify GeoJSON Files: A Practical Guide

1
Comments
2 min read
The Secret Life of JavaScript: Understanding 'this'

The Secret Life of JavaScript: Understanding 'this'

12
Comments 5
11 min read
Using a load balancer to distribute traffic across multiple instances

Using a load balancer to distribute traffic across multiple instances

Comments
4 min read
Introduction to TypeScript for JavaScript developers

Introduction to TypeScript for JavaScript developers

Comments
4 min read
I just shipped v3.0 of Frontend Master Prep Series — Study Paths, 374+ Q&A, 65 Coding Problems & 500+ Flashcards

I just shipped v3.0 of Frontend Master Prep Series — Study Paths, 374+ Q&A, 65 Coding Problems & 500+ Flashcards

4
Comments
5 min read
How I Stopped Manually Syncing My TypeScript Frontend with Spring Boot Backend

How I Stopped Manually Syncing My TypeScript Frontend with Spring Boot Backend

1
Comments 1
3 min read
grid-template-rows && Array(3)、.map()、Math.floor()

grid-template-rows && Array(3)、.map()、Math.floor()

Comments
1 min read
✅ *Git & GitHub Interview Questions & Answers* 🧑‍💻🌐

✅ *Git & GitHub Interview Questions & Answers* 🧑‍💻🌐

5
Comments
2 min read
Algoritmo de Levenshtein en TypeScript: Búsqueda Inteligente con Tolerancia a Errores

Algoritmo de Levenshtein en TypeScript: Búsqueda Inteligente con Tolerancia a Errores

Comments
5 min read
Building a Solar Energy Predictor with React and TensorFlow.js

Building a Solar Energy Predictor with React and TensorFlow.js

Comments
3 min read
Java regionMatches() Explained: Your Go-To Guide for Smart String Comparison

Java regionMatches() Explained: Your Go-To Guide for Smart String Comparison

Comments
6 min read
Conditional logic for jQuery formBuilder in 5 minutes

Conditional logic for jQuery formBuilder in 5 minutes

Comments
2 min read
CRITICAL Next.js Security Alert: Patch 'React2Shell' RCE Now

CRITICAL Next.js Security Alert: Patch 'React2Shell' RCE Now

Comments
2 min read
Staying Up-to-Date in Web Development

Staying Up-to-Date in Web Development

Comments
1 min read
Build a Real-Time tldraw Whiteboard with Velt Comments inside ChatGPT🤯🔥

Build a Real-Time tldraw Whiteboard with Velt Comments inside ChatGPT🤯🔥

13
Comments
11 min read
Beyond Regex A Developer's 5-Step Playbook for Smart Ticket Triage

Beyond Regex A Developer's 5-Step Playbook for Smart Ticket Triage

5
Comments
5 min read
Fetch vs Axios in JS: Handling Errors

Fetch vs Axios in JS: Handling Errors

1
Comments
1 min read
Running AI models with Replicate and Encore

Running AI models with Replicate and Encore

15
Comments 1
10 min read
Drone-ambient-noise synthesizer in Javascript: when instability is a feature, not a bug

Drone-ambient-noise synthesizer in Javascript: when instability is a feature, not a bug

1
Comments
19 min read
I built a privacy-first JSON to Mermaid Visualizer (No server uploads)

I built a privacy-first JSON to Mermaid Visualizer (No server uploads)

Comments 1
2 min read
Calculator using Vanilla JavaScript

Calculator using Vanilla JavaScript

Comments 1
1 min read
🔥 A Complete, In-Depth Guide to Trusted Types in React and Modern Web Apps

🔥 A Complete, In-Depth Guide to Trusted Types in React and Modern Web Apps

3
Comments
5 min read
💰 Take Control of Your Finances with Paisa Track: A Smart, Realtime Expense Tracker (MERN Stack)

💰 Take Control of Your Finances with Paisa Track: A Smart, Realtime Expense Tracker (MERN Stack)

Comments
1 min read
TypeScript vs. JavaScript: Which One Should You Use in 2025?

TypeScript vs. JavaScript: Which One Should You Use in 2025?

2
Comments
15 min read
Using Jest and LLM assistance to test your real-time chat

Using Jest and LLM assistance to test your real-time chat

2
Comments
29 min read
loading...