ASP.NET MVC 4 View ( Razor ) + jQuery – Microsoft JScript runtime error: "$" is undefined in MVC4

 
ASP.NET MVC 4 View ( Razor ) + jQuery – Microsoft JScript runtime error: "$" is undefined in MVC4
 

   Source _Layout.cshtml
 
   <!DOCTYPE html>
   <html lang="en">
      <head>
         <title>@ViewBag.Title</title>
 
         … …
 
         @Styles.Render("~/Content/mobileCss", "~/Content/css")
         @Scripts.Render("~/bundles/modernizr")
      </head>
      <body>
 
         … …
 
         @Scripts.Render("~/bundles/jquery", "~/bundles/jquerymobile")
         @RenderSection("scripts", required: false)
      </body>
   </html>
 

 

   Update _Layout.cshtml
 
   <!DOCTYPE html>
   <html lang="en">
      <head>
         <title>@ViewBag.Title</title>
 
         … …
 
         @Styles.Render("~/Content/mobileCss", "~/Content/css")
         @Scripts.Render("~/bundles/modernizr")
         @Scripts.Render("~/bundles/jquery", "~/bundles/jquerymobile")
      </head>
      <body>
 
         … …
 
         @RenderSection("scripts", required: false)
      </body>
   </html>