<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
</body>
</html>
<script>
var date = new Date();
var year = date.getFullYear();
var month = date.getMonth()+1;
var day = date.getDate();
var day1 = 0;
switch(month){
case 1:
case 3:
case 5:
case 7:
case 10:
case 12:
day1 = 30;
break;
case 2:
if((year % 4 == 0 && year % 100 != 0) || year % 400 ==0){
day1 = 29;
break;
}else{
day1 = 28;
break;
}
default:
day1 = 31;
break;
}
var day2 = day1 - day + 1;
var week = date.getDate();
var weekDay = ['星期日','星期一','星期二','星期三','星期四','星期五','星期六'];
week = weekDay[(week+day2+1)%7];
console.log(week);
</script>
