How to get the id/name of the ASP.NET server control as rendered on the browser in JQUERY/Javascript

var id = '<%=rbnQualification.ClientID %>' is used to retrieve the id of the ASP.NET control with id=rbnQualification as rendered on the browser. Var name = '<%=rbnQualification.UniqueID %>' is used to retrieve the name of the ASP.NET control with id=rbnQualification as rendered on the browser. Here, rbnQualification the id of the ASP.NET webserver control.