AJAX ???

AJAX ???

???????AJAX???

???????????XMLHttpRequest???????TXT??????????????

??AJAX???? XML ???

???????????XMLHttpRequest???????XML??????????????

??AJAX??????? HEAD ????

??????????????????????

??AJAX???????????? HEAD ????

?????????????????????????

??AJAX??ASP ???????????

??????????????????????????????Web?????????????

??AJAX?????????????

??AJAX??????????????????????

??AJAX??XML ???????????

???????XMLHttpRequest??XML??????????????????????HTML????????

??callback??????AJAX???

?????callback???????????XMLHttpRequest?????????TXT??????????????