关于js移植到jquery的问题

Question

jqueryjavascriptsetAttributeattr

Answer 1

var Gid=function(a){return document.getElementById(a)}//!!!!!!!!!!!!!!!!!
       var showArea = function(){
       Gid('show').innerHTML = "<h3>省" + Gid('s_province').value + " - 市" +    
       Gid('s_city').value + " - 县/区" + 
       Gid('s_county').value + "</h3>"
                            }
       Gid('s_county').setAttribute('onchange','showArea()');