<!DOCTYPE html> <html> <head> <meta charset="gb2312"/> <title>输出系统当前时间</title> <style> #box{ color:red; font-size:16px; width:300px; margin:0 auto; } </style> <script> window.onload=function(){ showTime(); } function check(i){ if(i<10){ i="0"+i; } return i; } function showTime(){ var myDate=new Date(); var year=myDate.getFullYear(); var month=myDate.getMonth()+1; var date=myDate.getDate(); var d=myDate.getDay(); var week=new Array(7); week[0]="星期日" week[1]="星期一" week[2]="星期二" week[3]="星期三" week[4]="星期四" week[5]="星期五" week[6]="星期六" var h=myDate.getHours(); var m=myDate.getMinutes(); var s=myDate.getSeconds(); h=check(h); m=check(m); s=check(s); document.getElementById("box").innerHTML = year+"年"+month+"月"+date+"日"+week[d]+h+":"+m+":"+s; setTimeout(showTime,500); } </script> </head> <body> <div id="box">11111</div> </body> </html>