下拉菜單列表
<style> *{ margin: 0px; padding: 0px; } .menu{ width: 1100px; height: 30px; background-image: url(img/魅力羅蘭Music炫圖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">羅蘭首頁</div> <div class="btn">歌曲專欄 <ul> <li>流行</li> <li>搖滾</li> <li>藍調</li> <li>民謠</li> </ul> </div> <div class="btn">音樂人專欄 <ul> <li>內地</li> <li>歐美</li> <li>日韓</li> <li>港臺</li> </ul> </div> <div class="btn">樂器專欄 <ul> <li>鋼琴</li> <li>小提琴</li> <li>吉他</li> <li>架子鼓</li> </ul> </div> <div class="btn">戲曲專欄 <ul> <li>京劇</li> <li>話劇</li> <li>豫劇</li> <li>黃梅戲</li> </ul> </div> <div class="btn">魅力ROLAND體驗區 <ul> <li>新曲</li> <li>唱片</li> <li>MV</li> </ul> </div> </div> </body>登錄注冊彈窗效果
<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 錄</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>以上這篇JS實現下拉菜單列表與登錄注冊彈窗效果就是小編分享給大家的全部內容了，希望能給大家一個參考，也希望大家多多支持武林網。
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