JSネイティブカルーセルチャートのコード共有例

*{
  margin:0px;
  padding: 0px;
 }
 ul{
  width: 2500px;
  height: 300px;
  position: absolute;
 }
 li{
  float: left;
  list-style: none;
 }
 img{
  width: 500px;
  height: 300px;
 }
 p{
  width: 500px;
  height: 300px;
  margin: 50px auto;
  position: relative;
  overflow: hidden;
 
 }
 
/*小白点的ul*/
 #round_ul{
  width:300px;
  height: 30px;
  /*background:yellow;*/
  position: relative;
  margin: 250px auto;
 
 }
 
 #round_ul li{
  width: 20px;
  height:20px;
  border-radius: 50%;
  background: #2196f3;
  margin-left: 50px;
  cursor: pointer;
 
 }

<p>
 <ul>
  <li><img src="img/31.jpg"></li>
  <li><img src="img/32.jpG"></li>
  <li><img src="img/33.jpG"></li>
  <li><img src="img/34.jpg"></li>
  <li><img src="img/31.jpg"></li>
 </ul>
 <ul id="round_ul">
  <li></li>
  <li></li>
  <li></li>
  <li></li>
 </ul>