<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin: 0;
padding: 0;
}
div{
margin: 0 auto;
width: 100px;
height: 100px;
position: relative;
border: 1px solid;
overflow: hidden;
}
ul{
width: 600px;
list-style: none;
position: absolute;
top:0;
left: -100px;
}
li{
width: 100px;
height: 50px;
float: left;
background-color: #05c397;
text-align: center;
}
button{
margin-left: 15px;
margin-top: 70px;
float: left;
}
</style>
</head>
<body>
<div>
<ul>
<li >4</li>
<li style="background-color: #a9c0c0">1</li>
<li style="background-color: #ff9200">2</li>
<li style="background-color: #9750e0">3</li>
<li>4</li>
<li style="background-color: #a9c0c0">1</li>
</ul>
<button>left</button>
<button>right</button>
</div>
<script>
var bt=document.getElementsByTagName("button");
var oli=document.getElementsByTagName("li");
var oul=document.getElementsByTagName("ul")[0];
var x=-100;
bt[1].onclick=function right() {
var m=0
var sj= setInterval(function () {
x-=10;
m++;
oul.style.left=x+"px";
if(m==10){
clearInterval(sj)
} if(x<=-500){
x=-100;
oul.style.left=x+"px";
}
},100)
}
bt[0].onclick=function () {
var m=0
var sj= setInterval(function () {
x+=10;
m++;
oul.style.left=x+"px";
if(m==10){
clearInterval(sj)
} if(x>=0){
x=-400;
oul.style.left=x+"px";
}
},100)
}
</script>
</body>
</html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Title</title>
<style>
*{
margin: 0;
padding: 0;
}
div{
margin: 0 auto;
width: 100px;
height: 100px;
position: relative;
border: 1px solid;
overflow: hidden;
}
ul{
width: 600px;
list-style: none;
position: absolute;
top:0;
left: -100px;
}
li{
width: 100px;
height: 50px;
float: left;
background-color: #05c397;
text-align: center;
}
button{
margin-left: 15px;
margin-top: 70px;
float: left;
}
</style>
</head>
<body>
<div>
<ul>
<li >4</li>
<li style="background-color: #a9c0c0">1</li>
<li style="background-color: #ff9200">2</li>
<li style="background-color: #9750e0">3</li>
<li>4</li>
<li style="background-color: #a9c0c0">1</li>
</ul>
<button>left</button>
<button>right</button>
</div>
<script>
var bt=document.getElementsByTagName("button");
var oli=document.getElementsByTagName("li");
var oul=document.getElementsByTagName("ul")[0];
var x=-100;
bt[1].onclick=function right() {
var m=0
var sj= setInterval(function () {
x-=10;
m++;
oul.style.left=x+"px";
if(m==10){
clearInterval(sj)
} if(x<=-500){
x=-100;
oul.style.left=x+"px";
}
},100)
}
bt[0].onclick=function () {
var m=0
var sj= setInterval(function () {
x+=10;
m++;
oul.style.left=x+"px";
if(m==10){
clearInterval(sj)
} if(x>=0){
x=-400;
oul.style.left=x+"px";
}
},100)
}
</script>
</body>
</html>