日期:2014-05-16 浏览次数:20413 次
<select name="type" id="type" style=" color:#000; height:22px; width:110px;">
<option value="1">选项一</option>
<option value="2">选项一</option>
<option value="3">手动输入</option>
</select>
<select name="type" id="type" style=" color:#000; height:22px; width:110px;" onchange="showInput(this)">
<option value="1">选项一</option>
<option value="2">选项一</option>
<option value="3">手动输入</option>
</select>
<input type="text" name="input" id="input" style="visibility:hidden;"/>
<script type="text/javascript">
function showInput(select) {
if(select.options[select.selectedIndex].value == 3)
document.getElementById('input').style.visibility = 'visible';
else
document.getElementById('input').style.visibility = 'hidden';
}
</script>