<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<select onchange="dd(this)">
<option value="1">11</option>
<option value="2">22</option>
</select >
<input type="text" name="aa" id="aa">
<script>
function dd(a){
if(a.value=="1"){
document.getElementById("aa").value="11"
}
if(a.value=="2"){
document.getElementById("aa").value=a.value
}
}
</script>
</BODY>
</HTML>
<HTML>
<HEAD>
<TITLE> New Document </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="">
<META NAME="Keywords" CONTENT="">
<META NAME="Description" CONTENT="">
</HEAD><BODY>
<select onchange="dd(this)">
<option value="1">11</option>
<option value="2">22</option>
</select >
<input type="text" name="aa" id="aa">
<script>
function dd(a){
if(a.value=="1"){
document.getElementById("aa").value="11"
}
if(a.value=="2"){
document.getElementById("aa").value=a.value
}
}
</script>
</BODY>
</HTML>
window.alert(num);
for(var i=0;i<num;i++){
var objt=document.createElement("input");
objt.name="input"+i;
objt.value="my name is --input"+i;
document.body.appendChild(objt);
}
}
</script></head><body><select name="select" onChange="creatinput(this.value)">
<option value="1" selected>1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<br>
<br>
</body>
</html>
怎么只增加不减少啊:(555
谢谢咯~~~
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<script language=javascript>
var maxselect=10; // 设置你的SELECT中的最大值
function creatinput(num){
window.alert(num);
//del node
for(var i=0;i<maxselect;i++)
{
var iid="input"+i;
var d = document.getElementById(iid);
if(d){ d.removeNode(true)}
}
//------------------------del end
for(var i=0;i<num;i++){
var objt=document.createElement("input");
objt.name="input"+i;
objt.id="input"+i;
objt.value="my name is --input"+i;
objt.removeNode(true);
document.body.appendChild(objt);
}
}
function rem(){
var d = document.getElementById("input1");
d.removeNode(true);
}
</script></head><body>
<form id="f1" name="f1">
<select name="select" onChange="creatinput(this.value)">
<option value="1" selected>1</option>
<option value="2">2</option>
<option value="3">3</option>
</select>
<input type="button" name="Submit" value="提交" onClick="rem()">
</form><br/>
<br/>
</body>
</html>
就是这个,我改改就差不多能用了,哈哈。..