01.
$(
function
(){
02.
$(
"select#list_1"
).change(
function
(){
03.
var
datalist2 = $.ajax({
04.
url:
"department_data.php"
,
05.
data:
"list_1="
+$(
this
).val(),
06.
async:
false
07.
}).responseText;
08.
$(
"select#list_2"
).html(datalist2);
09.
10.
});
11.
});