[рони]

hoax,

var arr = [ {'title':'hello', id: 3533}, {'title' : 'data', 'id':5454}],
keys = ['title', 'id']

  for(var i=0;i<arr.length;i++) {

      var cell = arr[i];

           for(var y = 0;y<keys.length;y++) {

          alert(cell[keys[y]])

            }
             }