var mydate=new Date();  var weekday=["星期日"，"星期一","星期二","星期三","星期四","星期五","星期六"];    document.write(mydate.getFullYear()+"年");    document.write(mydate.getMonth()+"月");    document.write(mydate.getDate()+"日");    document.write(weekday[mydate.getDay()]); 各位大神问一下这里有错误吗