> For the complete documentation index, see [llms.txt](https://learn.react-js.dev/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://learn.react-js.dev/introduction.md).

# I – Introduction

- [General](https://learn.react-js.dev/introduction/general.md)
- [Into to the deep end](https://learn.react-js.dev/introduction/off-to-the-deep-end.md)
- [Tools and Setup](https://learn.react-js.dev/introduction/tools-and-setup.md)