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.
Manifest V3 Migration Mistakes That Will Cost You Hours (And How to Avoid Them)
extensionbooster profile

Manifest V3 Migration Mistakes That Will Cost You Hours (And How to Avoid Them)

#chromeextension #javascript #developertools #productivity
1
Comments
3 min read
Chrome Extension Development Setup: The 2026 Starter Guide | ExtensionBooster
extensionbooster profile

Chrome Extension Development Setup: The 2026 Starter Guide | ExtensionBooster

#javascript #tooling #tutorial #webdev
1
Comments
7 min read
Stop using regex for phone validation - use this instead
thejayedge profile

Stop using regex for phone validation - use this instead

#webdev #api #javascript #tutorial
4
Comments 6
2 min read
Building Forevers.app: Turning Still Memories Into AI Generated Videos
thesnowguru profile
Shay R

Building Forevers.app: Turning Still Memories Into AI Generated Videos

#ai #webdev #programming #javascript
Comments
6 min read
# 10 API Design Mistakes That Slow Down Your App (And How to Fix Them)
sifathossensuvo01 profile

# 10 API Design Mistakes That Slow Down Your App (And How to Fix Them)

#programming #ai #javascript #tutorial
7
Comments
3 min read
What is the most efficient way to evaluate poker hands at scale?
stojankojo profile

What is the most efficient way to evaluate poker hands at scale?

#ai #webdev #javascript #tutorial
Comments
6 min read
How Random is Random? Generating Cryptographically Secure UUIDs (v4) in the Browser
kandz profile

How Random is Random? Generating Cryptographically Secure UUIDs (v4) in the Browser

#security #javascript #webdev #ai
1
Comments 1
3 min read
How to Hunt a Bug at 10 PM 🌙
codemaster_121482 profile

How to Hunt a Bug at 10 PM 🌙

#programming #javascript #webdev #debugging
11
Comments 2
1 min read
I Launched My Analytics Tool 3 Months Ago. It Got 1 Upvote. Here's What I Rebuilt.
soumyadip_maity_2025 profile

I Launched My Analytics Tool 3 Months Ago. It Got 1 Upvote. Here's What I Rebuilt.

#showdev #webdev #buildinpublic #javascript
Comments
4 min read
How we cut INP from 480ms to under 200ms on a legacy site (no rewrite)
sgbp profile

How we cut INP from 480ms to under 200ms on a legacy site (no rewrite)

#webdev #performance #javascript #webperf
Comments
1 min read
Event Sourcing Is Just Reduce Over Time
amrishkhan05 profile

Event Sourcing Is Just Reduce Over Time

#webdev #programming #productivity #javascript
Comments
4 min read
Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework
toolkitonline profile

Screenshot APIs vs Headless Chrome: Benchmarks, Costs, and Decision Framework

#javascript #tutorial #webdev #node
1
Comments
3 min read
I Built a Neural Network You Can Watch Train — Forward Pass, Loss, and Backprop, Animated
amargul profile

I Built a Neural Network You Can Watch Train — Forward Pass, Loss, and Backprop, Animated

#react #javascript #machinelearning #webdev
1
Comments
3 min read
How to Add Electronic Signatures to PDFs in the Browser (Vue 3 + HTML5 Canvas)
sunshey profile

How to Add Electronic Signatures to PDFs in the Browser (Vue 3 + HTML5 Canvas)

#javascript #pdf #vue #webdev
5
Comments 1
5 min read
Testing JavaScript: Practical Guide to Confident Code (2026)
armorbreak profile

Testing JavaScript: Practical Guide to Confident Code (2026)

#javascript #testing #tutorial #webdev
1
Comments
4 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.