$.each with AJAX

$(document).ready(ajaxCalls);
function ajaxCalls(){
  $.each(ArrayToIterate, function(i)
  function AjaxA (callback){
  //performs/returns Ajax Call
  }

  function AjaxB (callback){
  //performs/returns Ajax Call
  }

  function AjaxC (callback){
  //performs/returns Ajax Call
  }
  $(function() {
    $.when(AjaxA(), AjaxB(), AjaxC())
    .then(function(a,b,c){
      //do the iterative things;
    })
  })
});

function drawChart(){
  //steps to draw a chart;
}