本文實例為大家分享了js實現全屏側邊欄的具體代碼，供大家參考，具體內容如下

在瀏覽網站時我們經常會看到一個菜單按鈕，點一下就會出現一欄側邊導航欄，直接上代碼！

HTML部分

<div class='sidenav'> <a href='javascript:void(0)' onclick='closeNav()'>&times;</a> <a href='http://m.b3g6.com/bcjs/14595.html#'>About</a> <a href='http://m.b3g6.com/bcjs/14595.html#'>Services</a> <a href='http://m.b3g6.com/bcjs/14595.html#'>Clients</a> <a href='http://m.b3g6.com/bcjs/14595.html#'>Contact</a> </div> <h2>全屏幕側邊欄</h2> <p>點擊以下菜單圖標打開側邊欄</p> <span onclick='openNav()'>&#9776; 打開</span>

css部分

body { font-family: 'Lato', sans-serif; } .sidenav { height: 100%;width: 0;position: fixed;z-index: 1; top: 0; left: 0; background-color: #111; overflow-x: hidden; transition: 0.5s; padding-top: 60px; text-align:center; } .sidenav a { padding: 8px 8px 8px 32px; text-decoration: none; font-size: 25px;color: #818181; display: block; transition: 0.3s; } .sidenav a:hover{ color: #f1f1f1; } .sidenav .closebtn {position: absolute; top: 0; right: 25px; font-size: 36px; margin-left: 50px; } @media screen and (max-height: 450px) { .sidenav {padding-top: 15px; } .sidenav a {font-size: 18px; } }

JavaScript部分

function openNav() {document.getElementById('mySidenav').style.width = '100%';}function closeNav() {document.getElementById('mySidenav').style.width = '0';}

以上就是本文的全部內容，希望對大家的學習有所幫助，也希望大家多多支持好吧啦網。