1. Visual Studio 2013 Console Window
2. DOM Explorer
Visual Studio 2013 Console Window
If you want to find the value of the variable , you can dump the variable name to the console window as well.
Microsoft Visual Studio 2013 provides the DOM Explorer tool which lets the developers to inspect the property of any HTML element in the Windows App that is running. You can access the DOM Explorer Window via the menu Debug –> Windows –> DOM Explorer.
When the DOM Explorer Window is opened , you will be able to click on any element within the page and view its properties like style etc . If a WinJS control is used , you will also be able to see the HTML elements rendered by the WinJS control within the DOM explorer.