jQuery日期获取月和星期

 1 <div: id="clock"></div:>
 2 <script>
 3 function a(clock){
 4 var now =new Date();
 5 var month=now.getMonth()+1;
 6 var day=now.getDay();
 7 var s=now.getSeconds();
 8 var arr=new Array("星期日","星期一","星期二","星期三","星期四","星期五","星期六");
 9 week=arr[day];
10 var time=month+"月 "+week+" "+s;
11 clock.innerHTML="now time:"+time;
12 }
13 window.onload=function(){
14 window.setInterval("a(clock)", 1000);
15 }
16 </script>