您好,我看到类似的问题,但没有什么可以帮助我, 我有一个 javascript 菜单,我想单击菜单外部来关闭它,现在,您必须单击 X 来关闭菜单,我希望能够单击页面上菜单外部的任意位置来关闭菜单菜单。
<head>
<style>
.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;
}
.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;}
}
</style>
</head>
<body>
<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>Animated Sidenav Example</h2>
<p>Click on the element below to open the side navigation menu.</p>
<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</span>
<script>
function openNav() {
document.getElementById("mySidenav").style.width = "250px";
}
function closeNav() {
document.getElementById("mySidenav").style.width = "0";
}
</script>
最佳答案
您可以监听点击并检查目标在哪里,或者只是在整个页面上创建一个覆盖层,并使用打开菜单的类,而不是手动设置侧边导航宽度:
function openNav() {
document.body.classList.add('sidenav-open');
}
function closeNav() {
document.body.classList.remove('sidenav-open');
}
/* Same as you */.sidenav{height:100%;width:0;position:fixed;z-index:1;top:0;left:0;background-color:#111;overflow-x:hidden;transition:.5s;padding-top:60px}.sidenav a{padding:8px 8px 8px 32px;text-decoration:none;font-size:25px;color:#818181;display:block;transition:.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}}
#sidenav-overlay {
position: fixed;
top: 0;
left: 0;
width: 0;
height: 100%;
background: rgba(0, 0, 0, .1);
cursor: pointer;
z-index: 1;
}
.sidenav-open .sidenav { width: 250px; }
.sidenav-open #sidenav-overlay { width: 100%; }
<div id="sidenav-overlay" onclick="closeNav()"></div>
<div id="mySidenav" class="sidenav">
<a href="#" class="closebtn" onclick="closeNav()">×</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
</div>
<h2>Animated Sidenav Example</h2>
<p>Click on the element below to open the side navigation menu.</p>
<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</span>
关于javascript - 单击外部关闭滑动菜单 Javascript,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/58684100/