When I click on a button i want to be able to jump down or scroll to a specific div or target on the page.
$('#clickMe').click(function() {
//jump to certain position or div or #target on the page
});
//遍历option和添加、移除option
function changeShipMethod(shipping){
var len = $("select[@name=ISHIPTYPE] option").length
if(shipping.value != "CA"){
$("select[@name=ISHIPTYPE] option").each(function(){
