Microsoft today aounced that they are enabling mobile web developers to debug JavaScript ruing on their iOS devices directly from their editor, with their new iOS Web Debugger for Visual Studio Code. Also, this new iOS Web Debugger for Visual Studio Code works both on Mac and Windows.
iOS Web Debugger supports the following features:
- Setting breakpoints, including in source files when source maps are enabled
- Stepping, including with the buttons on the Chrome page
- The Locals pane
- Debugging eval scripts, script tags, and scripts that are added dynamically
- Watches
- Console
- Virtual port forwarding via HTTP tuel from local computer.

Read more about it here.

