jQuery(window).on("load", function() { function gup( name ){ name = name.replace(/[\[]/,"\\\[").replace(/[\]]/,"\\\]"); var regexS = "[\\?&]"+name+"=([^&#]*)"; var regex = new RegExp( regexS ); var results = regex.exec( window.location.href ); if( results == null ) return ""; else return results[1];} var domainrequested = gup( 'domain' ); jQuery(".domainrequested").val("Domain: "+domainrequested); });