blog post: Javascript flow control

gistfile1.js

function fecthData() {
  var people = ["Marc", "Liz", "Ken", "Duncan", "Uday", "Mark", "Charles"];
 
  var grid = [];
  $.each(people, function(index, person) {
    $.getJSON('/git/pairs/' + person, function(data) {
      // parse data and create somethingCool
      grid.push(data["name"])
      if (grid.length === people.length) {
        $(document).trigger("gridFilled", [grid]);
      }
    });  
  });
}
 
 
$(document).bind("gridFilled", function(e, grid) {
   //ready to do something with grid !
})