title: Most efficient way to get the dates for the past 7 days?
body: <p>I've got two functions which I can use to get the dates of the past 7 days and formats the into a particular format but it's pretty slow, does anybody know of a better way maybe using a loop or something similar?</p>
  
  <pre><code> function formatDate(date){
  
      var dd = date.getDate();
      var mm = date.getMonth()+1;
      var yyyy = date.getFullYear();
      if(dd&lt;10) {dd='0'+dd}
      if(mm&lt;10) {mm='0'+mm}
      date = mm+'/'+dd+'/'+yyyy;
      return date
   }
  
   function Last7Days () {
  
        var today = new Date();
        var oneDayAgo = new Date(today);
        var twoDaysAgo = new Date(today);
        var threeDaysAgo = new Date(today);
        var fourDaysAgo = new Date(today);
        var fiveDaysAgo = new Date(today);
        var sixDaysAgo = new Date(today);
  
        oneDayAgo.setDate(today.getDate() - 1);
        twoDaysAgo.setDate(today.getDate() - 2);
        threeDaysAgo.setDate(today.getDate() - 3);
        fourDaysAgo.setDate(today.getDate() - 4);
        fiveDaysAgo.setDate(today.getDate() - 5);
        sixDaysAgo.setDate(today.getDate() - 6);
  
        var result0 = formatDate(today);
        var result1 = formatDate(oneDayAgo);
        var result2 = formatDate(twoDaysAgo);
        var result3 = formatDate(threeDaysAgo);
        var result4 = formatDate(fourDaysAgo);
        var result5 = formatDate(fiveDaysAgo);
        var result6 = formatDate(sixDaysAgo);
  
        var result = result0+","+result1+","+result2+","+result3+","+result4+","+result5+","+result6;
  
        return(result);
   }
  </code></pre>