var now = new Date();
var day = now.getDay();
var week;
switch(day){
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 = "星期日";
break;
}
console.log('今天是'+week);
结果:
今天是星期一
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