flex for循环

var i:int;
for (i = 0; i < 5; i++)
{
trace(i);
}

var myObj:Object = {x:20, y:30};
for (var i:String in myObj)
{
trace(i + ": " + myObj[i]);
}
// output:
// x: 20
// y: 30

var myArray:Array = ["one", "two", "three"];
for (var i:String in myArray)
{
trace(myArray[i]);
}
// output:
// one
// two
// three

var myObj:Object = {x:20, y:30};
for each (var num in myObj)
{
trace(num);
}
// output:
// 20
// 30

var myArray:Array = ["one", "two", "three"];
for each (var item in myArray)
{
trace(item);
}
// output:
// one
// two
// three