下面小编就为大家带来一篇JS实现下拉菜单列表与登录注册弹窗效果。小编觉得挺不错的，现在就分享给大家，也给大家做个参考。一起跟随小编过来看看吧
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> <div>罗兰首页</div> <div>歌曲专栏 <ul> <li>流行</li> <li>摇滚</li> <li>蓝调</li> <li>民谣</li> </ul> </div> <div>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>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>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>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 hidden></div> <div hidden="hidden"></div> <div>登 录</div> <p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p> <p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p> <p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p> <p>123</p><p>123</p><p>123</p><p>123</p><p>123</p><p>123</p> </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脚本之家。
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