87,997
社区成员




<html>
<head>
<title>无标题文档</title>
<script>
function doChange(obj1,obj2){
var i=obj1.value;
obj2.options[i].selected=true;
}
</script>
</head>
<body>
<select id="selectA" name="selectA" onChange="doChange(this,selectB)">
<option value="0" selected>请选择</option>
<option value="1">AAA</option>
<option value="2">BBB</option>
<option value="3">CCC</option>
</select>
<select id="selectB" name="selectB" onChange="doChange(this,selectA)">
<option value="0" selected>请选择</option>
<option value="1">XXX</option>
<option value="2">YYY</option>
<option value="3">ZZZ</option>
</select>
</body>
</html>
</html>