本文实例为大家分享了js实现全屏侧边栏的具体代码，供大家参考，具体内容如下
在浏览网站时我们经常会看到一个菜单按钮，点一下就会出现一栏侧边导航栏，直接上代码！
HTML部分
<div id="mySidenav" class="sidenav"> <a href="javascript:void(0)" class="closebtn" onclick="closeNav()">×</a> <a href="#">About</a> <a href="#">Services</a> <a href="#">Clients</a> <a href="#">Contact</a> </div> <h2>全屏幕侧边栏</h2> <p>点击以下菜单图标打开侧边栏</p> <span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ 打开</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内容，希望对大家的学习有所帮助，也希望大家多多支持。