JavaScript-检查已加载什么页面？

Question

有没有办法问JavaScript当前正在加载哪个网页？

例：

if(page loaded == index.php){
   do something
}
else if(page loaded == contact.php){
   do something else
}

谢谢

Answer 1

var sPath = window.location.pathname;
var sPage = sPath.substring(sPath.lastIndexOf('/') + 1);
if(sPage == "index.php"){
   do something
}
else if(sPage  == "contact.php"){
   do something else
}