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.
How I Stopped Writing Error Handling in Every Route (Express Error Middleware)
chinwuba_jeffrey profile

How I Stopped Writing Error Handling in Every Route (Express Error Middleware)

#webdev #programming #javascript #express
1
Comments
3 min read
AI-Generated Auth Code vs Managed Auth Services: A Honest Comparison
alanwest profile

AI-Generated Auth Code vs Managed Auth Services: A Honest Comparison

#webdev #authentication #javascript #security
2
Comments
5 min read
How to Build a Tarot Card Reading Widget in JavaScript
karandesaideveloper profile

How to Build a Tarot Card Reading Widget in JavaScript

#javascript #api #webdev #tutorial
Comments
6 min read
The best free browser tools for developers in 2026 (no signup, no upload)
anurag_bhattarai_7a4af243 profile

The best free browser tools for developers in 2026 (no signup, no upload)

#webdev #resources #productivity #javascript
Comments
5 min read
Build a custom HLS player in React with hls.js (no wrapper libraries)
masonwritescode profile

Build a custom HLS player in React with hls.js (no wrapper libraries)

#video #react #javascript #webdev
1
Comments 1
6 min read
Building a 100% Client-Side HEIC to JPG Converter: Zero Servers, Zero Uploads
lyyluca profile

Building a 100% Client-Side HEIC to JPG Converter: Zero Servers, Zero Uploads

#javascript #webassembly #performance #webdev
Comments
2 min read
لماذا تحتاج تطبيقات الجداول إلى بريدي الإلكتروني؟ قمت ببرمجة بديل 100% Client-Side 📅🚀
adawati profile

لماذا تحتاج تطبيقات الجداول إلى بريدي الإلكتروني؟ قمت ببرمجة بديل 100% Client-Side 📅🚀

#webdev #programming #javascript #productivity
Comments
1 min read
I Built a Global Location Data API with 32.5M+ Cities — Here's How
localityapi profile

I Built a Global Location Data API with 32.5M+ Cities — Here's How

#webdev #programming #javascript #api
1
Comments
4 min read
Vue Teleport component React: How does VuReact convert it?
smirk9581 profile

Vue Teleport component React: How does VuReact convert it?

#webdev #javascript #vue #react
Comments
3 min read
How I built 15 PDF tools that run entirely in the browser (no server, no uploads)
anurag_bhattarai_7a4af243 profile

How I built 15 PDF tools that run entirely in the browser (no server, no uploads)

#showdev #javascript #webdev #tutorial
1
Comments
8 min read
How I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app
linuxbcn profile

How I used Cloudflare Pages + GitHub API as a free backend for a family caregiving app

#cloudflarechallenge #github #javascript #webdev
2
Comments
6 min read
How I Stopped Node.js from Freezing While Bulk-Processing 1,500+ Excel Rows
7amed3li profile

How I Stopped Node.js from Freezing While Bulk-Processing 1,500+ Excel Rows

#node #backend #database #javascript
1
Comments
4 min read
3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)
natevoss profile

3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

#ai #tutorial #javascript #beginners
Comments
3 min read
3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)
natevoss profile

3 Things I Learned Auditing My LLM App's Token Spend (And Why Your Benchmarks Are Lying)

#ai #tutorial #javascript #beginners
Comments
3 min read
Math.random() Is Not Secure. I Found It Generating API Keys in a 44K-Star Repo.
ofri-peretz profile

Math.random() Is Not Secure. I Found It Generating API Keys in a 44K-Star Repo.

#security #javascript #node #devsecops
4
Comments 2
5 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.