Javascript Verical下拉Css菜单未按预期运行
好吧,我抓起一个CSS菜单,一直在调整它,以了解它是如何工作的。我已经添加了几个下拉项,它们工作得很好,但我试图添加第四/第五项(取决于你怎么看),我就是无法让它工作。列表中的“第四项”没有按预期的那样下拉 菜单来源: 有人能解释一下吗 HTML文件Javascript Verical下拉Css菜单未按预期运行,javascript,jquery,html,css,Javascript,Jquery,Html,Css,好吧,我抓起一个CSS菜单,一直在调整它,以了解它是如何工作的。我已经添加了几个下拉项,它们工作得很好,但我试图添加第四/第五项(取决于你怎么看),我就是无法让它工作。列表中的“第四项”没有按预期的那样下拉 菜单来源: 有人能解释一下吗 HTML文件 <!doctype html> <html lang=''> <head> <meta charset='utf-8'> <meta http-equiv="X-UA-Compatible" c
<!doctype html>
<html lang=''>
<head>
<meta charset='utf-8'>
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="styles.css">
<script src="http://code.jquery.com/jquery-latest.min.js" type="text/javascript"></script>
<script src="script.js"></script>
<title>CSS Menu</title>
</head>
<body>
<div id='cssmenu'>
<ul>
<li class='active has-sub'><a href='#'><span>Top</span></a>
<ul>
<li class='has-sub'><a href='#'><span>First Top</span></a>
<ul>
<li class='has-sub'><a href='#'><span>Second</span></a>
<ul>
<li class="has-sub"><a><span>Third</span></a></li>
<ul>
<li class='last'><a href='#'><span>Fourth</span></a></li>
</ul>
</ul>
</ul>
</li>
</ul>
</li>
</ul>
</div>
</body>
<html>
script.js
#cssmenu,
#cssmenu ul,
#cssmenu ul li,
#cssmenu ul li a {
margin: 0;
padding: 0;
border: 0;
list-style: none;
line-height: 1;
display: block;
position: relative;
-webkit-box-sizing: border-box;
-moz-box-sizing: border-box;
box-sizing: border-box;
}
#cssmenu {
width: 200px;
font-family: Helvetica, Arial, sans-serif;
color: #ffffff;
}
#cssmenu ul ul {
display: none;
}
.align-right {
float: right;
}
#cssmenu > ul > li > a {
padding: 15px 20px;
border-left: 1px solid #1682ba;
border-right: 1px solid #1682ba;
border-top: 1px solid #1682ba;
cursor: pointer;
z-index: 2;
font-size: 14px;
font-weight: bold;
text-decoration: none;
color: #ffffff;
text-shadow: 0 1px 1px rgba(0, 0, 0, 0.35);
background: #36aae7;
background: -webkit-linear-gradient(#36aae7, #1fa0e4);
background: -moz-linear-gradient(#36aae7, #1fa0e4);
background: -o-linear-gradient(#36aae7, #1fa0e4);
background: -ms-linear-gradient(#36aae7, #1fa0e4);
background: linear-gradient(#36aae7, #1fa0e4);
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15);
}
#cssmenu > ul > li > a:hover,
#cssmenu > ul > li.active > a,
#cssmenu > ul > li.open > a {
color: #eeeeee;
background: #1fa0e4;
background: -webkit-linear-gradient(#1fa0e4, #1992d1);
background: -moz-linear-gradient(#1fa0e4, #1992d1);
background: -o-linear-gradient(#1fa0e4, #1992d1);
background: -ms-linear-gradient(#1fa0e4, #1992d1);
background: linear-gradient(#1fa0e4, #1992d1);
}
#cssmenu > ul > li.open > a {
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.15), 0 1px 1px rgba(0, 0, 0, 0.15);
border-bottom: 1px solid #1682ba;
}
#cssmenu > ul > li:last-child > a,
#cssmenu > ul > li.last > a {
border-bottom: 1px solid #1682ba;
}
.holder {
width: 0;
height: 0;
position: absolute;
top: 0;
right: 0;
}
.holder::after,
.holder::before {
display: block;
position: absolute;
content: "";
width: 6px;
height: 6px;
right: 20px;
z-index: 10;
-webkit-transform: rotate(-135deg);
-moz-transform: rotate(-135deg);
-ms-transform: rotate(-135deg);
-o-transform: rotate(-135deg);
transform: rotate(-135deg);
}
.holder::after {
top: 17px;
border-top: 2px solid #ffffff;
border-left: 2px solid #ffffff;
}
#cssmenu > ul > li > a:hover > span::after,
#cssmenu > ul > li.active > a > span::after,
#cssmenu > ul > li.open > a > span::after {
border-color: #eeeeee;
}
.holder::before {
top: 18px;
border-top: 2px solid;
border-left: 2px solid;
border-top-color: inherit;
border-left-color: inherit;
}
#cssmenu ul ul li a {
cursor: pointer;
border-bottom: 1px solid #32373e;
border-left: 1px solid #32373e;
border-right: 1px solid #32373e;
padding: 10px 20px;
z-index: 1;
text-decoration: none;
font-size: 13px;
color: #eeeeee;
background: #49505a;
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
#cssmenu ul ul li:hover > a,
#cssmenu ul ul li.open > a,
#cssmenu ul ul li.active > a {
background: #424852;
color: #ffffff;
}
#cssmenu ul ul li:first-child > a {
box-shadow: none;
}
#cssmenu ul ul ul li:first-child > a {
box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1);
}
#cssmenu ul ul ul li a {
padding-left: 30px;
}
#cssmenu > ul > li > ul > li:last-child > a,
#cssmenu > ul > li > ul > li.last > a {
border-bottom: 0;
}
#cssmenu > ul > li > ul > li.open:last-child > a,
#cssmenu > ul > li > ul > li.last.open > a {
border-bottom: 1px solid #32373e;
}
#cssmenu > ul > li > ul > li.open:last-child > ul > li:last-child > a {
border-bottom: 0;
}
#cssmenu ul ul li.has-sub > a::after {
display: block;
position: absolute;
content: "";
width: 5px;
height: 5px;
right: 20px;
z-index: 10;
top: 11.5px;
border-top: 2px solid #eeeeee;
border-left: 2px solid #eeeeee;
-webkit-transform: rotate(-135deg);
-moz-transform: rotate(-135deg);
-ms-transform: rotate(-135deg);
-o-transform: rotate(-135deg);
transform: rotate(-135deg);
}
#cssmenu ul ul li.active > a::after,
#cssmenu ul ul li.open > a::after,
#cssmenu ul ul li > a:hover::after {
border-color: #ffffff;
}
( function( $ ) {
$( document ).ready(function() {
$('#cssmenu li.has-sub>a').on('click', function(){
$(this).removeAttr('href');
var element = $(this).parent('li');
if (element.hasClass('open')) {
element.removeClass('open');
element.find('li').removeClass('open');
element.find('ul').slideUp();
}
else {
element.addClass('open');
element.children('ul').slideDown();
element.siblings('li').children('ul').slideUp();
element.siblings('li').removeClass('open');
element.siblings('li').find('li').removeClass('open');
element.siblings('li').find('ul').slideUp();
}
});
$('#cssmenu>ul>li.has-sub>a').append('<span class="holder"></span>');
(function getColor() {
var r, g, b;
var textColor = $('#cssmenu').css('color');
textColor = textColor.slice(4);
r = textColor.slice(0, textColor.indexOf(','));
textColor = textColor.slice(textColor.indexOf(' ') + 1);
g = textColor.slice(0, textColor.indexOf(','));
textColor = textColor.slice(textColor.indexOf(' ') + 1);
b = textColor.slice(0, textColor.indexOf(')'));
var l = rgbToHsl(r, g, b);
if (l > 0.7) {
$('#cssmenu>ul>li>a').css('text-shadow', '0 1px 1px rgba(0, 0, 0, .35)');
$('#cssmenu>ul>li>a>span').css('border-color', 'rgba(0, 0, 0, .35)');
}
else
{
$('#cssmenu>ul>li>a').css('text-shadow', '0 1px 0 rgba(255, 255, 255, .35)');
$('#cssmenu>ul>li>a>span').css('border-color', 'rgba(255, 255, 255, .35)');
}
})();
function rgbToHsl(r, g, b) {
r /= 255, g /= 255, b /= 255;
var max = Math.max(r, g, b), min = Math.min(r, g, b);
var h, s, l = (max + min) / 2;
if(max == min){
h = s = 0;
}
else {
var d = max - min;
s = l > 0.5 ? d / (2 - max - min) : d / (max + min);
switch(max){
case r: h = (g - b) / d + (g < b ? 6 : 0); break;
case g: h = (b - r) / d + 2; break;
case b: h = (r - g) / d + 4; break;
}
h /= 6;
}
return l;
}
});
} )( jQuery );
(函数($){
$(文档).ready(函数(){
$('cssmenu li.has sub>a')。在('click',function()上{
$(this.removeAttr('href');
var元素=$(this.parent('li');
if(element.hasClass('open')){
元素。removeClass(“打开”);
元素。find('li')。removeClass('open');
元素。find('ul')。slideUp();
}
否则{
元素addClass('open');
element.children('ul').slideDown();
元素。兄弟姐妹('li')。子元素('ul')。slideUp();
元素。同级('li')。removeClass('open');
元素。同级('li')。查找('li')。removeClass('open');
元素。同级('li')。查找('ul')。slideUp();
}
});
$('#cssmenu>ul>li.has sub>a')。追加(''');
(函数getColor(){
var r,g,b;
var textColor=$('#cssmenu').css('color');
textColor=textColor.slice(4);
r=textColor.slice(0,textColor.indexOf(',');
textColor=textColor.slice(textColor.indexOf(“”)+1);
g=textColor.slice(0,textColor.indexOf(',');
textColor=textColor.slice(textColor.indexOf(“”)+1);
b=textColor.slice(0,textColor.indexOf('));
var l=rgbToHsl(r,g,b);
如果(l>0.7){
$('cssmenu>ul>li>a').css('text-shadow','01px1pxrgba(0,0,0,35)');
$('cssmenu>ul>li>a>span').css('border-color','rgba(0,0,0,35)');
}
其他的
{
$('cssmenu>ul>li>a').css('text-shadow','01px0rgba(255,255,255,35)');
$('cssmenu>ul>li>a>span').css('border-color','rgba(255,255,255,35)');
}
})();
函数rgbToHsl(r、g、b){
r/=255,g/=255,b/=255;
var max=Math.max(r,g,b),min=Math.min(r,g,b);
变量h,s,l=(最大+最小)/2;
如果(最大=最小){
h=s=0;
}
否则{
var d=最大-最小值;
s=l>0.5?d/(2-最大-最小):d/(最大+最小);
开关(最大值){
案例r:h=(g-b)/d+(g
您过早地关闭了第三个列表项。你还忘了完成链接。见下文: 错误:
<ul>
<li class="has-sub"><a><span>Third</span></a></li>
<ul>
-
完整更新代码:
哈哈,太明显了。我没看到,哈哈,谢谢你,你把我介绍给了codepen!谢谢没问题,很高兴我能帮忙。代码笔很棒,玩得开心!
<ul>
<li class='has-sub'><a href='#'><span>Third</span></a>
<ul>