JavaScript Playgrounds every developer should try

1. CodePen

Online code editor for writing and sharing JS snippets called "Pens"

2.JSFiddle

Lightweight JS and CSS editor for quick prototyping and sharing

3. Replit

Cloud-based development environment for various programming languages, accessible anywhere

4. CodeSandbox

Online code editor and sandbox for collaborative JS project development

5. PlayCode

Frontend code playground with a customizable log console and support for multiple files