> For the complete documentation index, see [llms.txt](https://bamtech.gitbook.io/dev-standards/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://bamtech.gitbook.io/dev-standards/react-native/debugging/debug-javascript.mo.md).

# debug-javascript.mo

## Owner: Yann Leflour

## Prerequisites *(\~5 min)*

* [ ] Have [React Native Debugger](https://github.com/jhen0409/react-native-debugger) installed

## Steps *(\~3min)*

* Have your app running on a simulator or device *(2min)*
  * ***Check:*** The simulator opens
* Connect debugging *(\~1min)*
  * Open **React Native Debugger**
  * Shake your device to open the development menu
  * Press `Debug JS Remotely`
  * Your app should now be connected to your debugger
  * ***Check:*** You can see the source code in React Native Debugger's *sources* pane