小白完善的第一个简易滑动轮播图!!!
仅供个人记录学习与分享;
若有不足之处请求前辈指教提点;
HTML代码:
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>轮播图</title>
<link rel="stylesheet" href="lbt.css">
</head>
<body>
<div class="wrapper">
<div class="box">
<ul>
<img src="img/1.jpg" alt=""><img src="img/3.jpg" alt=""><img src="img/8.jpg" alt=""><img src="img/9.jpg" alt=""><img src="img/114.jpg" alt=""><img src="img/1.jpg" alt="">
</ul>
</div>
</div>
<script src="lbt.js"></script>
</body>
</html>
CSS代码:
*{
padding: 0;
margin:0;
text-decoration:none;
list-style:none;
}
body,html{
width:100%;
height:100%;
overflow:hidden;
}
.wrapper{
position: relative;
width:100%;
height:100%;
border:1px solid black;
background-color: #333;
}
.box{
position: relative;
width:500px;
height:300px;
border:2px solid black;
top: 250px;
left: 50%;
margin-left: -250px;
overflow:hidden;
}
ul{
position: absolute;
height: 300px;
overflow:hidden;
white-space: nowrap;
}
img{
width: 500px;
height: 300px;
}
JS代码:
var lbt = document.getElementsByTagName('ul')[0];
var timer;
function init(){
timer = setInterval(function (){
lbt.style.left = parseInt(window.getComputedStyle(lbt, null).left) + (-5) + 'px';
if(parseInt(lbt.style.left) == -2500){
clearInterval(timer);
setTimeout(function(){
lbt.style.left = "0px";
init();
}, 500);
}
else if(parseInt(lbt.style.left)%500 == 0){
clearInterval(timer);
setTimeout(function(){
init();
}, 500);
}
}, 10);
}
setTimeout(function(){
init();
}, 1000);