Posted in Javascript onAugust 10, 2017
下拉菜单列表
<style>
*{
margin: 0px;
padding: 0px;
}
.menu{
width: 1100px;
height: 30px;
background-image: url(img/魅力罗兰Music炫图18.jpg);
margin-left: 200px;
margin-top: 50px;
}
.btn{
width: 183.3px;
height: 30px;
float: left;
text-align: center;
line-height: 30px;
font-size: 14px;
position: relative;
overflow: hidden;
transition: 0.5s;
}
.btn:hover{
cursor: pointer;
background-color: burlywood;
color: white;
max-height: 200px;
overflow: visible;
}
.btn ul{
list-style: none;
background-color: #008000;
}
</style>
<body>
<div class="menu">
<div class="btn">罗兰首页</div>
<div class="btn">歌曲专栏
<ul>
<li>流行</li>
<li>摇滚</li>
<li>蓝调</li>
<li>民谣</li>
</ul>
</div>
<div class="btn">音乐人专栏
<ul>
<li>内地</li>
<li>欧美</li>
<li>日韩</li>
<li>港台</li>
</ul>
</div>
<div class="btn">乐器专栏
<ul>
<li>钢琴</li>
<li>小提琴</li>
<li>吉他</li>
<li>架子鼓</li>
</ul>
</div>
<div class="btn">戏曲专栏
<ul>
<li>京剧</li>
<li>话剧</li>
<li>豫剧</li>
<li>黄梅戏</li>
</ul>
</div>
<div class="btn">魅力ROLAND体验区
<ul>
<li>新曲</li>
<li>唱片</li>
<li>MV</li>
</ul>
</div>
</div>
</body>
登录注册弹窗效果
<html>
<head>
<meta charset="UTF-8">
<title></title>
<style>
* {
margin: 0px;
padding: 0px;
}
.login {
width: 100px;
height: 30px;
font-size: 25px;
line-height: 30px;
border: 1px solid black;
text-align: center;
background-color: darkcyan;
color: white;
}
.login:hover {
cursor: pointer;
background-color: greenyellow;
}
.mask {
width: 100%;
background-color: black;
opacity: 0.5;
position: absolute;
top: 0px;
left: 0px;
z-index: 90;
}
.log-div {
width: 500px;
height: 300px;
background-color: white;
position: fixed;
z-index: 99;
}
</style>
</head>
<body>
<div class="mask" hidden></div>
<div class="log-div" hidden="hidden"></div>
<div class="login">登 录</div>
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</body>
</html>
<script>
var mask = document.getElementsByClassName("mask")[0];
var login = document.getElementsByClassName("log-div")[0];
var btn = document.getElementsByClassName("login")[0];
var clientWidth = document.body.clientWidth;
var clientHeight = document.documentElement.clientHeight;
login.style.left = clientWidth / 2 - 250 + "px";
login.style.top = clientHeight / 2 - 150 + "px";
mask.style.height = document.body.clientHeight + "px";
window.onresize = function() {
var clientWidth = document.body.clientWidth;
var clientHeight = document.documentElement.clientHeight;
login.style.left = clientWidth / 2 - 250 + "px";
login.style.top = clientHeight / 2 - 150 + "px";
}
btn.onclick = function(){
mask.removeAttribute("hidden");
login.removeAttribute("hidden");
}
mask.onclick = function(){
mask.setAttribute("hidden","");
login.setAttribute("hidden","hidden");
}
</script>
以上这篇JS实现下拉菜单列表与登录注册弹窗效果就是小编分享给大家的全部内容了，希望能给大家一个参考，也希望大家多多支持三水点靠木。
JS实现下拉菜单列表与登录注册弹窗效果
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