<머리>
<머리>
<스크립트 언어=JavaScript>
function $(id)
{
return document.getElementByIdx_x(id)
}
function show()
{
var selectObj=$("area")
var myOption=document.createElement_x("option")
myOption.setAttribute("value","10")
myOption.appendChild(document.createTextNode("上海"))
var myOption1= document.createElement_x("option")
myOption1.setAttribute("value","100")
myOption1.appendChild(document.createTextNode("南京"))
selectObj.appendChild(myOption)
selectObj.appendChild(myOption1)
}
함수 선택()
{
var index=$("area").selectedIndex;
var val=$("area").options[index].getAttribute("value")
if(val==10)
{
var i=$("context") .childNodes.length-1;
var remobj=$("context").childNodes[i];
remobj.removeNode(true)
var sh=document.createElement_x("select")
sh.add(new Option("浦东新区","101"))
sh.add( new Option("黄浦区","102"))
sh.add(new Option("徐汇区","103"))
sh.add(new Option("普陀区","104 "))
$("context").appendChild(sh)
}
if(val==100)
{
var i=$("context").childNodes. 길이-1;
var remobj=$("context").childNodes[i];
remobj.removeNode(true)
var nj=document.createElement_x("select")
nj.add(new Option("玄武区","201"))
nj.add( new Option("白下区","202"))
nj.add(new Option("下关区","203"))
nj.add(new Option("栖霞区", "204"))
$("context").appendChild(nj)
}
}
function calc()
{
var x=$("context") .childNodes.length-1;
alert(x)
}
function delete()
{
var i=$("context").childNodes.length-1;
var remobj=$("context").childNodes[i];
remobj.removeNode(true)
}
<본문>