js 判断今天是否上班

 <script>
    var weekdate= getWeekDate()
    switch(weekdate){
        case "星期一":;
        case "星期二":;
        case "星期三":;
        case "星期四":;
        case "星期五":alert("今天是"+weekdate+",今天要上班");break;
        case "星期六":;
        case "星期日":alert("今天是"+weekdate+",今天休息");break;

        console.log(working );break
    }
    function getWeekDate() {
       var now = new Date();
       var day = now.getDay();
       var weeks = new Array("星期日", "星期一", "星期二", "星期三", "星期四", "星期五", "星期六");
       var week = weeks[day];
       return week;
    }
    </script>