如何从 Flex 3 中基于对象的关联数组中删除值? [英] How do I delete a value from an Object-based associative array in Flex 3?
本文介绍了如何从 Flex 3 中基于对象的关联数组中删除值?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
我需要删除与 Flex 3 关联数组中的属性关联的值;这可能吗?
I need to remove the value associated with a property in a Flex 3 associative array; is this possible?
例如,假设我像这样创建了这个数组:
For example, suppose I created this array like so:
var myArray:Object = new Object();
myArray[someXML.@attribute] = "foo";
稍后,我需要做这样的事情:
Later, I need to do something like this:
delete myArray[someXML.@attribute];
但是,我在运行时收到此错误消息:
However, I get this error message at runtime:
Error #1119: Delete operator is not supported with operand of type XMLList.
如何执行此操作?
推荐答案
删除在 AS3 中的作用不如在 AS2 中那么多:
delete doesn't do as much in AS3 as it did in AS2:
http://www.gskinner.com/blog/archives/2006/06/understanding_t.html
但是,我认为您的问题可以通过简单地使用 toString() 来解决,即
However, I think your problem might be solved by simply using toString(), i.e.
var myArray:Object = new Object();
myArray[someXML.@attribute.toString()] = "foo";
delete myArray[someXML.@attribute.toString()];
这篇关于如何从 Flex 3 中基于对象的关联数组中删除值?的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!
查看全文