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.
I built a free browser-based image & utility toolkit — here's what I learned
toolzip_7e9a28bbade profile

I built a free browser-based image & utility toolkit — here's what I learned

#webdev #javascript #nextjs #opensource
2
Comments 1
3 min read
A Clean React Project Structure for Scalable Applications
mian_zain_a0631f81413b955 profile

A Clean React Project Structure for Scalable Applications

#architecture #frontend #javascript #react
Comments
1 min read
Delta E is a distance, not a score
deland profile

Delta E is a distance, not a score

#showdev #gamedev #javascript #ux
Comments
4 min read
Why Your Shopify Store Is Slow (And How to Fix It in 2026)
bilalburney profile

Why Your Shopify Store Is Slow (And How to Fix It in 2026)

#shopify #performance #webperf #javascript
Comments
3 min read
I shipped a dark mode hook. Then I found four bugs my own demo never hit.
saadahmad profile

I shipped a dark mode hook. Then I found four bugs my own demo never hit.

#react #javascript #typescript #webdev
Comments
6 min read
You Don't Need a WebSocket for That Live Feed
parsajiravand profile

You Don't Need a WebSocket for That Live Feed

#javascript #webdev #tutorial #api
2
Comments
6 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
1
Comments 1
2 min read
Using Playwright projects and Page extensions to run tests on multiple testing environments
andras_sarro_2b04da0cc4d2 profile

Using Playwright projects and Page extensions to run tests on multiple testing environments

#automation #javascript #testing #vue
1
Comments
19 min read
Half my test suite asserts that nothing happened
flinthive profile

Half my test suite asserts that nothing happened

#testing #javascript #webdev #react
Comments
6 min read
iOS Safari can't decode your .mov, and the reason is 2 bytes deep in the container
deland profile

iOS Safari can't decode your .mov, and the reason is 2 bytes deep in the container

#javascript #webdev #ios #webperf
1
Comments 3
5 min read
I wanted Squoosh with batch and a KB budget, so I built a client-side compressor
mehditareghi profile

I wanted Squoosh with batch and a KB budget, so I built a client-side compressor

#webdev #javascript #privacy #webassembly
Comments
4 min read
CĂłmo solucionar \"Text content does not match server-rendered HTML\" en Next.js App Router
erickeduardoramos03 profile

CĂłmo solucionar \"Text content does not match server-rendered HTML\" en Next.js App Router

#frontend #javascript #nextjs #react
Comments
3 min read
React Lazy Loading Images: A Simple Guide to Better Performance
jaimin_patel profile

React Lazy Loading Images: A Simple Guide to Better Performance

#react #javascript #webdev #performance
Comments
3 min read
A YouTube downloader UI should explain the file before offering it
nicedayup profile

A YouTube downloader UI should explain the file before offering it

#product #webdev #ux #javascript
Comments
4 min read
A validator for Claude's memory tool — built around a real CVE, not a hypothetical one
ethan_5b3022150e2c07a4030 profile

A validator for Claude's memory tool — built around a real CVE, not a hypothetical one

#showdev #webdev #javascript
2
Comments
2 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.