<!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="22"
}
}
</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="22"
}
}
</script>
</BODY>
</HTML>
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312" />
<title>test</title>
<script type="text/javascript">
function itemCheck()
{
var ochkForm = document.getElementById('resForm');
var oText = document.getElementById('content');
var ochkBoxes = ochkForm['items[]'];
oText.value = '';
for(var i = 0 ; i<ochkBoxes.length; i++ )
{
if ( ochkBoxes[i].checked )
oText.value += ochkBoxes[i].value+' ';
}
}
</script>
</head>
<body>
<form id="resForm" name="resForm" >
<textarea id="content" name="content"></textarea>
<br>
<input type="checkbox" name="items[]" value="1" onclick="itemCheck()">选项1<br/>
<input type="checkbox" name="items[]" value="2" onclick="itemCheck()">选项2<br/>
<input type="checkbox" name="items[]" value="3" onclick="itemCheck()">选项3<br/>
<input type="checkbox" name="items[]" value="4" onclick="itemCheck()">选项4<br/>
</form>
</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="22"
}
}
</script>
</BODY>
</HTML>
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>无标题文档</title>
</head><script language="javascript">function set(tvalue){ document.all("bb").value=tvalue}</script>
<select name="select" onChange="set(this.value)">
<option value="aa" selected>aa</option>
<option value="bb">bb</option>
</select><br>
<br>
<br>
<br><input type="text" id="bb"></body>
</html>