<select name="lsdw" class="c01" id="lsdw" onchange="alert(options[selectedIndex].text)">
<option value="sel">请选择
<option value="1">b1
<option value="2">b2
</select>document.formName.selectName.options[document.formName.selectName.selectedIndex].value
document.formName.selectName.options[document.formName.selectName.selectedIndex].text
<option value="sel">请选择
<option value="1">b1
<option value="2">b2
</select>document.formName.selectName.options[document.formName.selectName.selectedIndex].value
document.formName.selectName.options[document.formName.selectName.selectedIndex].text
代码如下:
<script language="JavaScript" type="text/JavaScript">
<!--
function showit()
{
if(window.form1.seldw.value=="sel")
{
alert("waring");
}
else
{
alert(document.form1.seldw.options[selectedIndex].value);
}
}
-->
</script><select name="seldw" class="c01" id="seldw" onchange="showit()">
<option value="sel">请选择
<option value="1">b1
<option value="2">b2
</select>