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网页的无缝滚动怎么做,用原始js如何做无缝滚动效果

2017-12-27 13:48 435 查看




<!DOCTYPE html>

<html>
<head>
<meta charset="utf-8" />
<title></title>
<style type="text/css">
*{
margin:0; 
padding:0;
list-style: none;
}

#box{
position:relative;
left:600px;
width:600px;
height:200px;
border:1px solid black;
overflow:hidden;
}

#subbox{
position:absolute;
left:-1000px;
top:0px;
width:1600px;
height:200px;
}

img{
float:right;
width:200px;
height:200px;
}

</style>
</head>
<body style="height:1000px;">
<div id="box">
<div id="subbox">
<img src="img/timg1.jpg" />
<img src="img/timg2.jpg" />
<img src="img/timg3.jpg" />
<img src="img/timg4.jpg" />
<img src="img/timg5.jpg" />
<img src="img/timg1.jpg" />
<img src="img/timg2.jpg" />
<img src="img/timg3.jpg" />
</div>

</div>
</body>

</html>

<script type="text/javascript" src="tools/util.js"></script>

<script type="text/javascript">

window.onload = function(){
let currLeft = -1000;
let incLeft = 2;
let myTimer = setInterval(function(){
//1、改变数据
currLeft=currLeft+incLeft;
//2、数据合法性的判断(边界)
if(currLeft>=0){  //
currLeft=-1000;
}
//3、改变外观

$("subbox").style.left = currLeft+"px";
},20);

}

</script>
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