JavaScript时钟循环

来源:互联网 发布:北京办公软件速成班 编辑:程序博客网 时间:2024/06/18 17:02

setInterval 无限循环;clearInterval停止;

时钟循环

<!DOCTYPE html><html><head><meta charset="UTF-8"><title></title><script>function loaded(){var mytime =new Date();var year=mytime.getFullYear();var month=mytime.getMonth()+1;var day=mytime.getDate();var week=mytime.getDay();var hours=mytime.getHours();var min=mytime.getMinutes();var sec=mytime.getSeconds();var flog="AM";switch(week){   case 0:   week="星期天";   break;   case 1:   week="星期一";   break;   case 2:   week="星期二";   break;   case 3:   week="星期三";   break;   case 4:   week="星期四";   break;   }if(hours>12){    floag="PM";    hours=hours-12;    }if(hours<10){ hours="0"+hours;}    if(min<10){       min="0"+min;    }    if(sec<10){    sec="0"+sec;    }    document.getElementById("datetime").innerHTML=year+"年"+month+"月"+day+"日"+hours+":"+min+":"+sec+" "+floag+" "+week;}setInterval("loaded()",1000)</script></head><body ><div id="datetime"></div></body></html>
                                             
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