javascript 图片轮换显示效果代码

<script language =javascript > var curIndex=0; //时间间隔 单位毫秒 var timeInterval=1000; var arr=new Array(); arr[0]="https://www.jb51.net/article/1.jpg"; arr[1]="2.jpg"; arr[2]="3.jpg"; arr[3]="4.jpg"; arr[4]="5.jpg"; arr[5]="6.jpg"; arr[6]="7.jpg"; setInterval(changeImg,timeInterval); function changeImg() { var obj=document.getElementById("obj"); if (curIndex==arr.length-1) { curIndex=0; } else { curIndex+=1; } obj.src=arr[curIndex]; } </script> <img id=obj src ="https://www.jb51.net/article/1.jpg" border =0 />
[Ctrl+A 全选 注:如需引入外部Js需刷新才能执行]