我这个日期输出有问题吗？怎么不出来

源自：7-23 编程练习

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"];

var mynum=mydate.getDay();

document.write(mydate.getFullYear()+"年"+mydate.getMonth()+"月"+mydate.getDate()+"日"+weekday(mynum));

提问者：qq_颖心晴_04387028 2017-02-28 22:09