close

DEV Community

Image

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.
Stop Hand-Designing Open Graph Images: Automate Link Previews for Every Page
toolkitonline profile

Stop Hand-Designing Open Graph Images: Automate Link Previews for Every Page

#webdev #api #javascript #programming
Image 2
Comments 1
3 min read
How I Built a Base Converter That Handles Decimals
liquan_sun_4a163e1290ae40 profile

How I Built a Base Converter That Handles Decimals

#javascript #webdev #tools #react
Image 1
Comments
3 min read
The SEC has a free financial data API that nobody talks about
m0dus profile

The SEC has a free financial data API that nobody talks about

#javascript #webdev #finance #api
Image 1
Comments 1
4 min read
React 19 useTransition & useDeferredValue: When to Use Which (2026)
stacknotice profile

React 19 useTransition & useDeferredValue: When to Use Which (2026)

#react #javascript #typescript #webdev
Image 1
Comments
3 min read
Every Dev Re-Tests the Whole App Before Release. Here's the One-Time Setup That Ends That.
sureshcodes profile

Every Dev Re-Tests the Whole App Before Release. Here's the One-Time Setup That Ends That.

#playwright #testing #javascript #webdev
Image 1
Comments 2
3 min read
Migrating to Manifest V3: what actually broke, what we saved, and what we gained
projekta2 profile

Migrating to Manifest V3: what actually broke, what we saved, and what we gained

#chrome #javascript #webdev #programming
Image 3
Comments 4
6 min read
x402 configs can fail silently. I made a small preflight checker for the easy-to-miss details.
gareth1953 profile

x402 configs can fail silently. I made a small preflight checker for the easy-to-miss details.

#web3 #javascript #opensource #testing
Image 1
Comments
3 min read
Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them
zhihu_wu_dea1d82af01a04d7 profile

Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them

#json #webdev #javascript #tutorial
Image 1
Comments
2 min read
I ran one API response through two JSON-to-Zod converters. One silently turned every field into z.string().
_904affc0d58589ee2ac5 profile
Jop

I ran one API response through two JSON-to-Zod converters. One silently turned every field into z.string().

#typescript #webdev #javascript #productivity
Image 1
Comments
3 min read
Eclipse mechanics for programmers: turning ephemeris data into a "next eclipse from here" countdown
furiosastudio profile

Eclipse mechanics for programmers: turning ephemeris data into a "next eclipse from here" countdown

#javascript #webdev #pwa #astronomy
Image 1
Comments 1
4 min read
JavaScript Control Flow Statements
gunalan22082002 profile

JavaScript Control Flow Statements

#javascript
Image Image 2
Comments
3 min read
I Built Doodle Jump in Vanilla JS (the Endless Bouncer)
dev48v profile

I Built Doodle Jump in Vanilla JS (the Endless Bouncer)

#javascript #gamedev #webdev #beginners
Comments
1 min read
I Built a JSON Formatter & Validator in the Browser (No Library)
dev48v profile

I Built a JSON Formatter & Validator in the Browser (No Library)

#javascript #webdev #json #beginners
Comments
1 min read
I Built a Drag-and-Drop Kanban Board With Zero Libraries
dev48v profile

I Built a Drag-and-Drop Kanban Board With Zero Libraries

#javascript #css #webdev #beginners
Comments
1 min read
JavaScript Array Methods: forEach(), map(), and flatMap()
dev_saravanan_journey profile

JavaScript Array Methods: forEach(), map(), and flatMap()

#webdev #javascript #programming #beginners
Image Image 5
Comments
3 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.