<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <title>Title</title> <script src=http://www.3lian.com/edu/2017/05-28/"jquery/2.0.0/jquery.min.js"></script> </head> <body> <div id="time"></div> <script> arr=[1,2,3,4,5,6,7,8,9]; i=0; var t=setInterval('show()',2000); function show() { $("#time").append(arr[i]); i=i+1; //如果超过数组长度，清除定时器 if(i>arr.length){ clearInterval(t) } } </script> </body> </html>