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.
React useLatest Hook: Read Fresh State in Async Callbacks (2026)
childrentime profile

React useLatest Hook: Read Fresh State in Async Callbacks (2026)

#react #javascript #webdev #tutorial
5
Comments 1
9 min read
I built 59 free browser-based dev tools in vanilla JS — here's what I learned
yuvaraj_radhakrishnan_224 profile
Yuva

I built 59 free browser-based dev tools in vanilla JS — here's what I learned

#webdev #javascript #tools #programming
Comments
2 min read
How to Build a Real-Time Markdown Previewer with Synchronized Scrolling
ggwork profile

How to Build a Real-Time Markdown Previewer with Synchronized Scrolling

#css #javascript #tutorial #webdev
Comments
5 min read
Your Browser Automation Clicks Might Be Landing 25% Off — And Nothing Will Tell You
hidenari profile

Your Browser Automation Clicks Might Be Landing 25% Off — And Nothing Will Tell You

#automation #webdev #javascript #debugging
Comments
6 min read
Paywall Any API Endpoint With Two Prices: Sats or Compute
zekebuilds profile
Zeke

Paywall Any API Endpoint With Two Prices: Sats or Compute

#javascript #api #lightning #l402
Comments
6 min read
JWT Authentication in Express That You Can Actually Revoke
mmushood profile

JWT Authentication in Express That You Can Actually Revoke

#backend #javascript #node #security
1
Comments 2
21 min read
What actually breaks when you process PDFs in the browser
bellsal_b44bf6d profile

What actually breaks when you process PDFs in the browser

#showdev #javascript #webdev #pdf
Comments
4 min read
Retry budgets by language: Python, Go, and JavaScript
loopandretry profile

Retry budgets by language: Python, Go, and JavaScript

#retries #python #go #javascript
Comments
5 min read
The download button that silently did nothing on mobile
bellsal_b44bf6d profile

The download button that silently did nothing on mobile

#javascript #webdev #ios #android
Comments
5 min read
How the ZIM Master Prompt Solves AI Code Hallucinations for 2D Canvas
zimlearn profile

How the ZIM Master Prompt Solves AI Code Hallucinations for 2D Canvas

#ai #javascript #webdev #creativecoding
Comments 1
3 min read
How I Built an AI Agricultural Advisor That Talks to Indian Farmers — 10 Days of Voice Agents
satish_boya_3e96fe77e6464 profile

How I Built an AI Agricultural Advisor That Talks to Indian Farmers — 10 Days of Voice Agents

#ai #voiceai #python #javascript
Comments
6 min read
Karachi Ki Raatein: A Love Letter to Midnight Street Food

Frontend Challenge Perfect Landing Submission 🍲🥧
abdul_rehman_314626de0dd6 profile

Karachi Ki Raatein: A Love Letter to Midnight Street Food

#devchallenge #frontendchallenge #webdev #javascript
Comments
3 min read
Framework Comparison Report: ZIM vs. PixiJS
zimlearn profile

Framework Comparison Report: ZIM vs. PixiJS

#frontend #gamedev #javascript #webdev
Comments
3 min read
Overlaying a design on a live page: four things that bit me
ss2 profile
ss

Overlaying a design on a live page: four things that bit me

#webdev #javascript #css #devops
Comments
5 min read
Claude Code vs Cursor vs Windsurf in 2026: Which Agentic IDE Actually Ships Production Code
jsmanifest profile

Claude Code vs Cursor vs Windsurf in 2026: Which Agentic IDE Actually Ships Production Code

#typescript #ai #javascript #webdev
1
Comments 1
13 min read
👋 Sign in for the ability to sort posts by relevant, latest, or top.