js获取当前月份js获取当前月的1号是星期几

怎样用js根据当前星期几获取日期的

var?weekofyear?=??(((new?date())-(new?date("2017-01-01")))/(24*60*60*7*1000)|0)?+1

js获取当前月的1号是星期几

用JavaScript就可以了，ASP中也可以用JS代码。 <script language="javascript"> var week; switch (new Date().getDay()){ case 1: week="星期一"; break; case 2: week="星期二"; break; case 3: week="星期三"; break; case 4: week="星期四"; break; case 5: week="星期五"; break; case 6: week="星期六"; break; default: week="星期天"; } document.write((new Date().getMonth()+1)+"月"+new Date().getDate()+"日 "+week); </script>