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.
TypeScript Patterns Every React Developer Should Know in 2025

TypeScript Patterns Every React Developer Should Know in 2025

Comments
4 min read
JavaScript vs TypeScript - I built the same crypto tracker with both

JavaScript vs TypeScript - I built the same crypto tracker with both

17
Comments 10
8 min read
Building Single-Executable Node.js Apps (Without the Pain)

Building Single-Executable Node.js Apps (Without the Pain)

11
Comments
4 min read
How I Built a Private Finance Tool with Vanilla JS and Local Storage

How I Built a Private Finance Tool with Vanilla JS and Local Storage

Comments
2 min read
đŸŠâ€đŸ”„Beginner-Friendly Guide "Plus One" – LeetCode 66 (C++ | Python | JavaScript)

đŸŠâ€đŸ”„Beginner-Friendly Guide "Plus One" – LeetCode 66 (C++ | Python | JavaScript)

26
Comments 4
2 min read
The TL;DR Rule: How I Structure Files to Not Annoy My Team

The TL;DR Rule: How I Structure Files to Not Annoy My Team

Comments
3 min read
Mastering React State Management at Scale in 2025

Mastering React State Management at Scale in 2025

Comments 1
6 min read
Client-side PDF tools using JavaScript

Client-side PDF tools using JavaScript

Comments 1
2 min read
13 Security Questions Every JavaScript Interview Asks — and the ESLint Rule That Answers Each in CI

13 Security Questions Every JavaScript Interview Asks — and the ESLint Rule That Answers Each in CI

Comments
5 min read
A Developer's Guide to Jest: What, When, and How to Test

A Developer's Guide to Jest: What, When, and How to Test

Comments
4 min read
Turning GitLab Merge Requests into MCP-Native Data with gitlabmcp

Turning GitLab Merge Requests into MCP-Native Data with gitlabmcp

Comments
2 min read
11 Must-Know Websites Every Developer Should Bookmark

11 Must-Know Websites Every Developer Should Bookmark

Comments
5 min read
Coding Challenge Practice - Question 67

Coding Challenge Practice - Question 67

Comments
1 min read
Event-Driven Architecture in Node.js: Building Scalable and Responsive Systems

Event-Driven Architecture in Node.js: Building Scalable and Responsive Systems

1
Comments
11 min read
Post-Mortem: Why ESLint Performance Failed (And the 100x Fix)

Post-Mortem: Why ESLint Performance Failed (And the 100x Fix)

Comments
2 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.