订单的产品在ActionScript对象 [英] Order of items in objects in ActionScript
本文介绍了订单的产品在ActionScript对象的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!
问题描述
尝试编译:
var object:Object = {};
object.one = "foo";
object.two = "foo";
object.three = "foo";
object.four = "foo";
for(var key:String in object)
{
trace(key);
}
...您将获得:
... you will get:
one
four
two
three
为什么搞砸了订单?
Why the messed up order?
推荐答案
对象的键没有顺序。如果您需要preserve秩序,有查找,那么你需要创建一个自定义集合,提供了该功能。
The keys of an object are not ordered. If you need to preserve order and have a lookup, then you need to create a custom collection that provides that functionality.
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