IE8 Javascript document.domain 错误
我需要更改文档的域，然后将其再次设置回原始值。
它看起来像这样[该页面位于域名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上运行良好（我没有在7上进行测试）。 但当我执行第二个 document.domain 时，它给了我一个错误 [Invalid argument]。
有没有办法在IE8中“重置”文档的域？
I need to change the domain of the document and then set it back again to the original value.
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 ())
}
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.
Is there any way to "reset" the domain of the document in IE8?
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问题是一旦将 document.domain 设置为仅顶级域，就无法将其设置为更严格的值。
来自 MSDN 博客：
http ://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx
The problem is you cannot set document.domain to a more strict value once you set it to top-domain only.
From the MSDN blog:
http://blogs.msdn.com/b/ie/archive/2008/09/02/ie8-security-part-vi-beta-2-update.aspx
使用
text/cjs类型的脚本标签：Use script tag with type
text/cjs: