Henrik Andersson

Developer

JavaScript, Python developer and human debugger. Owns and works as a consultant at HTTP418 in Stockholm, Sweden.

https://stackoverflow.com/users/441387/henrik-andersson

Programming React .js vs .jsx: Differences, Usage & Best Practices

Understand the key differences between .js and .jsx files in React. JSX works in both, but learn when to prefer .jsx for components, .js for utils, and how ESLint, Emmet, and bundlers enhance workflow with proper extensions.

#eslint
#javascript
#jsx
#react
#vite

6 answers• 1 view

02/23/2026, 05:40 PM