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.
dev.to How Online Casinos Prove Their RNG Is Fair, and Why Most Software Can't

dev.to How Online Casinos Prove Their RNG Is Fair, and Why Most Software Can't

1
Comments
4 min read
I built a moon phase tracker and this is my first-ever side project.

I built a moon phase tracker and this is my first-ever side project.

1
Comments
1 min read
How to Take Screenshots in Playwright (Full Page, Elements, CI)

How to Take Screenshots in Playwright (Full Page, Elements, CI)

Comments
5 min read
How I synced BLE firmware with React Native

How I synced BLE firmware with React Native

2
Comments
4 min read
How to Use the any Type and When to Avoid It

How to Use the any Type and When to Avoid It

7
Comments 2
8 min read
Client-Side Video Transcoding with FFmpeg.wasm — No Server Required

Client-Side Video Transcoding with FFmpeg.wasm — No Server Required

Comments
2 min read
Stop Hand-Designing Open Graph Images: Automate Link Previews for Every Page

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

2
Comments 1
3 min read
How I Built a Base Converter That Handles Decimals

How I Built a Base Converter That Handles Decimals

1
Comments
3 min read
React 19 useTransition & useDeferredValue: When to Use Which (2026)

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

1
Comments
3 min read
x402 configs can fail silently. I made a small preflight checker for the easy-to-miss details.

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

1
Comments
3 min read
Your JSON Is Valid... Until It's Not: Common Parse Errors and How to Fix Them

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

1
Comments
2 min read
I ran one API response through two JSON-to-Zod converters. One silently turned every field into z.string().

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

1
Comments
3 min read
Eclipse mechanics for programmers: turning ephemeris data into a "next eclipse from here" countdown

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

1
Comments 1
4 min read
I Built a JSON Formatter & Validator in the Browser (No Library)

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

Comments
1 min read
I Built a Drag-and-Drop Kanban Board With Zero Libraries

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

Comments
1 min read
đź‘‹ Sign in for the ability to sort posts by relevant, latest, or top.