<html>
<head>
<script type="text/javascript">
function dosome()
{
var obj = document.all.r1;
var sel = document.getElementById("selection");
for(i=0;i<obj.length;i++)
if(obj[i].checked)
{
sel.style.display = obj[i].show==1?"":"none";
}
}
</script>
</head>
<body>
<INPUT name=r1 type=radio show=1 onclick="dosome();">显示下拉框
<INPUT name=r1 type=radio show=0 onclick="dosome();">不显示下拉框
<br>
<select id="selection" style="display:none" size="3">
<option value=1>选项1</option>
<option value=2>选项2</option>
<option value=3>选项3</option>
<option value=4>选项4</option>
<option value=5>选项5</option>
</select>
</body>
</html>
<head>
<script type="text/javascript">
function dosome()
{
var obj = document.all.r1;
var sel = document.getElementById("selection");
for(i=0;i<obj.length;i++)
if(obj[i].checked)
{
sel.style.display = obj[i].show==1?"":"none";
}
}
</script>
</head>
<body>
<INPUT name=r1 type=radio show=1 onclick="dosome();">显示下拉框
<INPUT name=r1 type=radio show=0 onclick="dosome();">不显示下拉框
<br>
<select id="selection" style="display:none" size="3">
<option value=1>选项1</option>
<option value=2>选项2</option>
<option value=3>选项3</option>
<option value=4>选项4</option>
<option value=5>选项5</option>
</select>
</body>
</html>
解决方案 »
免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货