<script> var nowdate=new Date(); var nowyear=nowdate.getYear(); var tempdate= new Date(nowyear,0,1); var min=nowdate.getTime(); var tempmin=tempdate.getTime(); var tempweekday=tempdate.getDay(); var week_num=((min-tempmin)/86400000+tempweekday)/7+1; alert("第"+parseInt(week_num)+"周"); </script>
<script> var day_list = new Array(31,28,31,30,31,30,31,31,10,31,30,31); var days = (new Date()).getDate(); var this_month = (new Date()).getMonth(); for(I=0;I<=this_month;I++) days +=day_list[I]; alert("第"+parseInt(days/7)+"周");