To debug iOS Cordova applications please follow this guide:

  1. Open the "Develop" menu.

    Open Develop menu

    If you do not see the "Develop" menu check here.

  2. Find your device in the menu.

    Find your device in the menu
  3. Select the view of your application which you want to debug.

    Select your application
Note:
For more information about how to use Safari developer tools check here.