This article explains you how to debug the client side Javascript code in VisualStudio.
Steps:
1.Go to IE. Open Tools>>Internet Options>>Advanced Tab.
2.Uncheck the "Disable Script Debugging" (Internet Explorer).
3.Write the Javascript code on aspx page and write "debugger;" statement inside your Javascript function and assign the breakpoint in Javascript code.
4.Run the application.
5.Now you can debug your application using Immediate window and find the error.
6.After debugging, remove the statement "debugger" from the Javascript code.
