huikang

function(doc){
  // handle a custom format using methods in the date object
  var format = "{getFullYear}/{getMonth}/{getDate}",
      date = new Date(doc.created_at),
      // use a regular expression to replace parts of our format string
      formatted_date = format.replace(/\{(\w+)\}/g, function(str, func){
        var time = date[func]();
        // if `func` is `getMonth` we must offset by one
        if(func === 'getMonth'){
          time += 1;