目标:
需要滚动大内容。
问题:
我不知道如何通过滚动来创建它,当内容很长时可以滚动。
谢谢!
function openNav() {
document.getElementById("myNav").style.height = "100%";
$('body').addClass('noscroll');
}
function closeNav() {
document.getElementById("myNav").style.height = "0%";
$('body').removeClass('noscroll');
}
body {
margin: 0;
font-family: 'Lato', sans-serif;
}
.overlay {
height: 0%;
width: 100%;
position: fixed;
z-index: 1;
top: 0;
left: 0;
background-color: rgb(0,0,0);
background-color: rgba(0,0,0, 0.8);
overflow-y: hidden;
transition: 0.5s;
}
.overlay-content {
position: relative;
top: 10%;
width: 70%;
text-align: left;
margin: 30px auto;
background: white;
overflow-y: scroll;
}
.overlay a {
padding: 8px;
text-decoration: none;
font-size: 36px;
color: #818181;
display: block;
transition: 0.3s;
}
.overlay a:hover, .overlay a:focus {
color: #f1f1f1;
}
.overlay .closebtn {
position: absolute;
top: 20px;
right: 45px;
font-size: 60px;
}
.noscroll {
overflow: hidden;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="myNav" class="overlay">
<a href="javascript:void(0)" class="closebtn" onclick="closeNav()">×</a>
<div class="overlay-content">
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">CANDY</a>
</div>
</div>
<h2>Fullscreen Overlay Nav Example</h2>
<p>Click on the element below to open the fullscreen overlay navigation menu.</p>
<p>In this example, the navigation menu will slide downwards from the top:</p>
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<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</span>
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答案 0 :(得分:1)
你需要给你的叠加内容一个高度,以便它知道溢出是什么,我也会将它从滚动更改为自动,所以滚动条只在需要时显示:
.overlay-content {
overflow-y: auto;
height: 100%;
}
更新了代码段
function openNav() {
document.getElementById("myNav").style.height = "100%";
$('body').addClass('noscroll');
}
function closeNav() {
document.getElementById("myNav").style.height = "0%";
$('body').removeClass('noscroll');
}
&#13;
body {
margin: 0;
font-family: 'Lato', sans-serif;
}
.overlay {
height: 0%;
width: 100%;
position: fixed;
z-index: 1;
top: 0;
left: 0;
background-color: rgb(0,0,0);
background-color: rgba(0,0,0, 0.8);
overflow-y: hidden;
transition: 0.5s;
}
.overlay-content {
position: relative;
top: 10%;
width: 70%;
text-align: left;
margin: 30px auto;
background: white;
overflow-y: auto;
height: 100%;
}
.overlay a {
padding: 8px;
text-decoration: none;
font-size: 36px;
color: #818181;
display: block;
transition: 0.3s;
}
.overlay a:hover, .overlay a:focus {
color: #f1f1f1;
}
.overlay .closebtn {
position: absolute;
top: 20px;
right: 45px;
font-size: 60px;
}
.noscroll {
overflow: hidden;
}
&#13;
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div id="myNav" class="overlay">
<a href="javascript:void(0)" class="closebtn" onclick="closeNav()">×</a>
<div class="overlay-content">
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">Contact</a>
<a href="#">About</a>
<a href="#">Services</a>
<a href="#">Clients</a>
<a href="#">CANDY</a>
</div>
</div>
<h2>Fullscreen Overlay Nav Example</h2>
<p>Click on the element below to open the fullscreen overlay navigation menu.</p>
<p>In this example, the navigation menu will slide downwards from the top:</p>
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<span style="font-size:30px;cursor:pointer" onclick="openNav()">☰ open</span>
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&#13;
答案 1 :(得分:0)
添加height
.overlay-content {
height: 85%;
}
答案 2 :(得分:0)
你需要一些高度:
.overlay-content {
height: 80vh;
}