js获取本周日期

<script type="text/javascript">
    function makeDate() {
        var date = new Date();
        var month = date.getMonth();
        var week = date.getDay();
        var month = month + 1;
        var day = date.getDate();
　　　　　　// week：周几，day：几号
        var weekArr = [{week:‘‘,day:‘‘},{week:‘‘,day:‘‘},{week:‘‘,day:‘‘},{week:‘‘,day:‘‘},{week:‘‘,day:‘‘},{week:‘‘,day:‘‘},{week:‘‘,day:‘‘}];
        var leftNum = week-1; // 本周内今天的前几天的数量
        var rightNum = 7-week;  // 本周内今天的后几天的数量
　　　　　　// 本周内今天的前几天
        for(var i=0; i<leftNum; i++){
            weekArr[i].week = week-(week-i)+1;
            if(i==0){
                weekArr[i].day = day-week;
            }else{
                weekArr[i].day = day-(week-i)+1;
            }
        }
　　　　　　// 本周内今天的后几天
        for(var i=0; i<rightNum; i++){
            weekArr[i+week].week = week+i+1;
            weekArr[i+week].day = day+i+1;
        }
　　　　　　// 今天
        weekArr[week-1].week = week;
        weekArr[week-1].day = day;
        console.log(weekArr)
    }
    makeDate();
</script>