How to implement responsive navigation menu with css and js
The content shared with you in this article is about how to implement responsive navigation menu with css and js. The content is of great reference value and I hope it can help friends in need.
1. Responsive navigation menu
When the viewport is larger than 640px, the navigation bar will be displayed outside. When the viewport is smaller than 768px Sometimes, the navigation menu needs to be hidden!
The code is as follows:
<!doctype html>
<html>
<head>
<meta charset="utf-8"/>
<meta name="viewport" content="width=device-width">
<title>响应式</title>
<link rel="stylesheet" type="text/css" href="demo1.css"/>
<link href="https://cdn.bootcss.com/font-awesome/4.7.0/css/font-awesome.css" rel="stylesheet">
</head>
<body>
<p class="nav">
<p class="pic"></p>
<p class="btn">
<i id="btn" class="fa fa-bars"></i>
</p>
<ul id="menu" class="clearfix">
<li><a href="#">首页</a></li>
<li><a href="#">产品</a></li>
<li><a href="#">购买</a></li>
<li><a href="#">服务</a></li>
<li><a href="#">联系</a></li>
</ul>
</p>
<script type="text/javascript">
var btn=document.getElementById("btn");
var menu=document.getElementById("menu");
btn.onclick=function(){
if(menu.style.display=="block"){
menu.style.display="none";
}
else{
menu.style.display="block";
}
window.onresize=function(){
var vw=document.documentElement.clientWidth;
if(vw>640){
menu.style.display="block"};
}
}
</script>
</body>
</html>The css code is as follows:
body{
margin:0;
}
.nav{
background-color:black;
width:100%;
position:relative;
}
.nav ul{
margin:0;
padding:0;
width:80%;
margin:0 auto;
}
.clearfix:after{
display:block;
content:"";
height:0;
clear:both;
visibility:hidden;
}
.nav ul li{
list-style:none;
float:left;
}
.nav ul li a{
color:white;
padding:20px 30px;
display:block;
text-decoration:none;
}
.nav ul li a:hover{
background-color:red;
}
.pic{
background:url(logo.jpg) no-repeat;
position:absolute;
top:5px;
left:5px;
width:113px;
height:39px;
}
.btn{
background-color:#333;
text-align:right;
color:white;
font-size:20px;
padding:10px;
display:none;
}
@media screen and (max-width:640px){
.nav ul li{
float:none;
text-align:center;
}
.nav ul{
width:100%;
}
.btn{
display:block;
}
.pic{
position:absolute;
left:50%;
margin-left:-56px;
}
}Related recommendations:
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