Based on JavaScript to realize the imitation jingdong image rotation effect
- 2020-10-07 18:32:12
- OfStack
js jingdong image shuffling effect, when the mouse row on the window to stop the timer, the mouse left window, open the timer, the mouse on TAB above, stop the timer, manual switch, by defining the timer run packaging function, changeOption packaging function, achieve this effect, the code simple, need friends directly copied to go.
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
<style type="text/css">
*{margin:0;padding:0;list-style:none;}
a{text-decoration: none;color: #fff;}
#flash{width: 730px;height: 454px;margin: 100px auto;position: relative;cursor: pointer;}
#pic li{position: absolute;top: 0;left: 0;z-index: 1;display: none;}
#num{position: absolute;left: 40%;bottom: 10px;z-index: 2;cursor:default;}
#num li{float: left;width: 20px;height: 20px;border-radius: 50%;background: #666;margin: 3px;line-height: 20px;text-align: center;color: #fff;cursor: pointer;}
#num li.active{background: #f00;}
.arrow{height: 60px;width: 30px;line-height: 60px;text-align: center;display: block;position: absolute;top:45%;z-index: 3;display: none;}
.arrow:hover{background: rgba(0,0,0,0.7);}
#flash:hover .arrow{display: block;}
#left{left: 2%;}
#right{right: 2%;}
</style>
<script type="text/javascript">
function $(id) {
return typeof id==='string'?document.getElementById(id):id;
}
window.onload=function(){
var index=0;
var timer=null;
var pic=$("pic").getElementsByTagName("li");
var num=$("num").getElementsByTagName("li");
var flash=$("flash");
var left=$("left");
var right=$("right");
// Click the left arrow
left.onclick=function(){
index--;
if (index<0) {index=num.length-1};
changeOption(index);
}
// Click the right arrow
right.onclick=function(){
index++;
if (index>=num.length) {index=0};
changeOption(index);
}
// Mouse over the window to stop the timer
flash.onmouseover=function(){
clearInterval(timer);
}
// Mouse away from the window, start the timer
flash.onmouseout=function(){
timer=setInterval(run,2000)
}
// Mouse over the TAB, stop the timer, and switch manually
for(var i=0;i<num.length;i++){
num[i].id=i;
num[i].onmouseover=function(){
clearInterval(timer);
changeOption(this.id);
}
}
// Define timer
timer=setInterval(run,2000)
// Packaging function run
function run(){
index++;
if (index>=num.length) {index=0};
changeOption(index);
}
// Packaging function changeOption
function changeOption(curindex){
console.log(index)
for(var j=0;j<num.length;j++){
pic[j].style.display="none";
num[j].className="";
}
pic[curindex].style.display="block";
num[curindex].className="active";
index=curindex;
}
}
</script>
</head>
<body>
<div id="flash">
<ul id="pic">
<li style="display:block"><img src="http://img13.360buyimg.com/da/jfs/t2242/262/578407619/87636/4ffe0c5/56187ed2Nfed9a5b3.jpg" alt=""></li>
<li><img src="http://img13.360buyimg.com/da/jfs/t2143/111/577347825/96150/e27180bd/561889b3N42ee62b5.jpg" alt=""></li>
<li><img src="http://img20.360buyimg.com/da/jfs/t1825/234/1750370913/97529/b9229832/560b5ad3N054605f7.jpg" alt=""></li>
<li><img src="http://img10.360buyimg.com/da/jfs/t2026/215/573306345/95654/a0211937/5618a735N1b3d8423.jpg" alt=""></li>
<li><img src="http://img20.360buyimg.com/da/jfs/t2065/362/579832759/78899/6f349917/5618c680N3752bacc.jpg" alt=""></li>
<li><img src="http://img10.360buyimg.com/da/jfs/t2023/45/384256123/101565/9b6e5daf/5604bdceN8c7d2ccf.jpg" alt=""></li>
</ul>
<ol id="num">
<li class="active">1</li>
<li>2</li>
<li>3</li>
<li>4</li>
<li>5</li>
<li>6</li>
</ol>
<a href="javascript:;" class="arrow" id="left"><</a>
<a href="javascript:;" class="arrow" id="right">></a>
</div>
</body>
</html>The above code is not very simple ah, based on javascrit to achieve the imitation of jidong image rotation effect produced successfully, due to time reasons did not show you the renderings, please forgive me.