how to bundle Script Files in mvc

using System.Web; 

using System.Web.Optimization;

public class BundleConfig {  

   public static void RegisterBundles(BundleCollection bundles)    

 {            // create an object of ScriptBundle and         

 // specify bundle name (as virtual path) as constructor parameter     

     ScriptBundle scriptBndl = new ScriptBundle("~/bundles/bootstrap");   

       //use Include() method to add all the script files with their paths 

         scriptBndl.Include( "~/Scripts/bootstrap.js", "~/Scripts/respond.js" );

           //Add the bundle into BundleCollection     

    bundles.Add(scriptBndl);       

   BundleTable.EnableOptimizations = true;     } }

For more refereneces:

https://www.aspsnippets.com/Articles/Using-Bundles-ScriptBundle-in-ASPNet-MVC-Razor.aspx

http://www.dotnettricks.com/learn/mvc/aspnet-mvc-4-performance-optimization-with-bundling-and-minification