頁面中的滾動條定時自動下滾

 1  scrollBar();
 2     function scrollBar() {
 3         height = $('.layui-table-body').height();
 4         var number = 0;
 5         var length = 0;
 6         var time = setInterval(function () {
 7             number += 1;
 8             if (number == 12) {
 9                 clearInterval(time);
10                 $('.layui-table-body').scrollTop('0');
11             } else {
12                 length += height / 11;
13                 $('.layui-table-body').scrollTop(length);  //只有此處有區別
14             }
15         }, 1000);
16     }
17 
18     setInterval(function () {
19         scrollBar()
20     }, 13000)