js 获取本周的周一和周日（附源码）

        var now = new Date();
        var nowTime = now.getTime() ;
        var day = now.getDay();
        var oneDayTime = 24*60*60*1000 ;
        var MondayTime = nowTime - (day-1)*oneDayTime ;//显示周一
        var SundayTime =  nowTime + (7-day)*oneDayTime ;//显示周日
        console.log(new Date(MondayTime));
        console.log(new Date(SundayTime))