IE8 Javascript的document.domain错误 [英] IE8 Javascript document.domain error
问题描述
我需要更改文档的域，然后将其重新设置为原始值。
I need to change the domain of the document and then set it back again to the original value.
它看起来像这样[该页面在域基础上.site.com]：
It looks something like this [the page is on domain base.site.com]:
function execute ()
{
document.domain = "site.com";
// Access an object that is on another frame, but did the same set of the domain
document.domain = "base.site.com";
// Access an object that is on this page (window.createPopup ())
}
问题是，这在IE6上工作正常（我没有在7上测试）。
但是当我执行第二个document.domain时，它给我一个错误[无效的参数]。
The problem is that this works fine on IE6 (I did not test on 7). But it gives me an error [Invalid argument] when i execute the second document.domain.
有没有办法重置文档在IE8？
Is there any way to "reset" the domain of the document in IE8?
推荐答案
问题是您无法将document.domain设置为更严格的价值，一旦您将其设置为top-
The problem is you cannot set document.domain to a more strict value once you set it to top-domain only.
从MSDN博客中：
简单地说，一旦你我们松开了document.domain，你不能收紧。
Put simply, once you’ve loosened document.domain, you cannot tighten it.
http://blogs.msdn.com/b/ie/archive/ 2008/09/02 / ie8-security-part-vi-beta-2-update.aspx
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