javascript从下拉列表中获取值
我有一个php脚本,其中包含一个数组,该数组在几个月内循环并在下拉列表中显示它们。我想使用javascript从下拉列表中获取所选值javascript从下拉列表中获取值,javascript,drop-down-menu,Javascript,Drop Down Menu,我有一个php脚本,其中包含一个数组,该数组在几个月内循环并在下拉列表中显示它们。我想使用javascript从下拉列表中获取所选值 function month_list() { $months = Array("January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December"); echo '<sel
function month_list()
{
$months = Array("January", "February", "March", "April", "May", "June", "July",
"August", "September", "October", "November", "December");
echo '<select name="month" id="month_list" OnChange="getvalue();">';
foreach ($months as $months => $month)
{
echo'<option OnChange="getvalue();" value='.$month.'>'.$month.'</option>';
}
echo '</select>';
}
有什么建议吗
谢谢。你忘了报月单了
document.getElementById("month_list").value
另外,您不需要在单个选项上使用onchange(即所有小写字母)属性,只需要在select元素上使用
函数getvalue()
{
警报(document.getElementById('month_list')。值);
}
相反
此外,您还可以删除每个选项的onChange,选择即可:)谢谢!哦,是的,我忘了我把那部分忘在:)
Element referenced by ID/NAME in the global scope. Use W3C standard document.getElementById() instead.
document.getElementById("month_list").value
function getvalue()
{
alert(document.getElementById('month_list').value);
}
</script>