Обход элементов во вложенном ассоциативном массиве

[LifeIsRhythm]

var array:Array = [ { "name":"John", "email":"john@gmail.com" }, { "name":"Andrew", "email":"andrew@gmail.com" } ];
 
var length:int = array.length;
 
for (var i:int = 0; i < length; i++) 
		trace(array[i].name);
 
var string:String = '[ { "name":"John", "email":"john@gmail.com" }, { "name":"Andrew", "email":"andrew@gmail.com" } ]';
var json:Object = JSON.parse(string);
 
for (var key:String in json) 
		trace(json[key].name);