<script type="text/javascript">
var sec = 60,min=60;
hour = 1;
var hou = 0; flag = 0;
idt = window.setTimeout("ls();", 1000);
function ls() {
sec--;
min = 60;
if (sec == 0)
{ sec = 60;min -= 1; }
if (min == 60&&hour==0)
{ min = 0; hour -= 1; }
if (min == 0&&sec==0)
{min = 60;hour -= 1;}
if(min>0) {
min--;
// }
document.getElementById("rest_time").innerText = hour + ":" + min + ":" + sec;
idt = window.setTimeout("ls();", 1000);
if (hour==0&&min==0&&sec==1) { document.getElementById("btn_ok").click();
alert('考试时间已到,试卷已提交,感谢使用本系统!'); }
}
</script>
运行出来时间不对。。。分钟部分总从59再跳到60min