我有动态下拉菜单这将显示另外两个隐藏下拉菜单选中时。我在表单上使用此下拉菜单。不幸的是,我不知道如何设计相应的下拉菜单。我试过CSS和HTML造型方法,但没有发生任何事情。我尝试在网上搜索,但无济于事。造型隐藏下拉菜单
这是他们看起来像:
没有安排,彼此之间没有空间。
我想他们是这样的:
排列在一条直线上,并让它们之间的空间。
这是我的下拉代码:
<!DOCTYPE html>
<html>
<head>
<title>Administration</title>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<script type="text/javascript" src='https://code.jquery.com/jquery-3.1.1.min.js'> </script>
<script type="text/javascript">
$(document).ready(function(){
$("#Agency").change(function(){
//To remove all the dropdown in myDiv
$('#myDiv').html('');
//Create the new dropdown menu
var whereToPut1 = document.getElementById('myDiv');//Department dropdown
var newDropdown1 = document.createElement('select');
newDropdown1.setAttribute('id',"newDropdownMenu");
whereToPut1.appendChild(newDropdown1);
//Create another div inside myDiv for another dropdown menu
var innerDropdowndiv = document.createElement('div');
innerDropdowndiv.setAttribute('id',"innerdropdowndiv");
whereToPut1.appendChild(innerDropdowndiv);
var whereToPut2 = document.getElementById('innerdropdowndiv');
//Create another dropdown menu
var newDropdown2 = document.createElement('select');//Office dropdown
newDropdown2.setAttribute('id',"innerDropdownMenu");
whereToPut2.appendChild(newDropdown2);
if ($('#Agency').find(":selected").text() == "PPS") {
$('#newDropdownMenu').append('<option id="Department">Department</option>')//Department dropdown appear
$('#newDropdownMenu').append('<option>Office</option>')//Office dropdown will appear below Department
$('#innerDropdownMenu').append('<option>HQ</option>')
$('#innerDropdownMenu').append('<option>Branch</option>')
$('#innerDropdownMenu').append('<option>Stall</option>')
$("#newDropdownMenu").change(function(){
if($('#newDropdownMenu').find(":selected").text() == "Department")
{
$('#innerdropdowndiv').html('');
$('#innerdropdowndiv').append($('<select>').attr('id','innerDropdownMenu'))
$('#innerDropdownMenu').append('<option>HQ</option>')
$('#innerDropdownMenu').append('<option>Branch</option>')
$('#innerDropdownMenu').append('<option>Stall</option>')
}
else if($('#newDropdownMenu').find(":selected").text() == "Office" && $('#innerDropdownMenu').find(":selected").text()=="Branch")
{
$('#innerdropdowndiv').html('');
$('#innerdropdowndiv').append($('<select>').attr('id','innerDropdownMenu'))
$('#innerDropdownMenu').append('<option>Floor1</option>')
$('#innerDropdownMenu').append('<option>Floor2</option>')
}
else if($('#newDropdownMenu').find(":selected").text() == "Office" && $('#innerDropdownMenu').find(":selected").text()=="Stall")
{
$('#innerdropdowndiv').html('');
$('#innerdropdowndiv').append($('<select>').attr('id','innerDropdownMenu'))
$('#innerDropdownMenu').append('<option>Floor3</option>')
$('#innerDropdownMenu').append('<option>Floor4</option>')
}
else {
{
$('#innerdropdowndiv').html('');
}
}
})
}
else {
$('#myDiv').html('');
}
});
});
</script>
</head>
<body>
<td class = "Agency">Agency<span class="required"> * </span></td>
<tr><td><select id="Agency"">
<option value="Choose">Choose</option>
<option value="SPM">SPM</option>
<option value="PPS">PPS</option>
</select>
<h></h>
</td>
<td>
<div id="myDiv"></div>
</td>
<td><div id="innerdropdowndiv"></div></td>
</tr>
</body>
</html>
的向下箭头是Unicode或图像? 如果有图片,请分享一下! –
@Keerthana down arrow =选项。他们在每个下拉菜单 – Far
上获得了几个选项。好的。谢谢。 –