数组的sort方法

var arr:Array = [{"value":3},{"value":1},{"value":4},{"value":2},{"value":6}];

arr.sort(sortByValue);

function sortByValue(param1:Object, param2:Object):Number
{
    return param2.value - param1.value;
}

for (var i:int=0; i<arr.length; i++)
{
    trace(arr[i].value);
}