设置document.domain是否适用于所有（大多数）浏览器？ [英] Does setting document.domain work in all (most) browsers?
问题描述
同源政策文档说明了这一点：
同一
来源规则有一个例外。脚本可以将document.domain的
值设置为当前域的后缀
。如果它这样做，
较短的域用于
后续原产地检查。例如，
假定文档中的脚本为
http：// store .company.com / dir / other.html
执行以下语句：
There is one exception to the same origin rule. A script can set the value of document.domain to a suffix of the current domain. If it does so, the shorter domain is used for subsequent origin checks. For example, assume a script in the document at http://store.company.com/dir/other.html executes the following statement:
document.domain =company.com;
document.domain = "company.com";
在
语句执行之后，页面
将通过
http://company.com/dir/page.html 。
但是，出于同样的原因，
company.com无法将
document.domain设置为othercompany.com。
After that statement executes, the page would pass the origin check with http://company.com/dir/page.html. However, by the same reasoning, company.com could not set document.domain to othercompany.com.
所有流行的浏览器都支持这个吗？如果没有，哪些不是？
Do all popular browsers support this? If not, which ones don't?
推荐答案
Firefox 2,3，IE6,7,8，Chrome和Safari 2 3，Opera 9都支持document.domain;
Firefox 2,3, IE6,7,8, Chrome, and Safari 2 and 3, Opera 9 all support document.domain;
其他更新的浏览器也可能会这样，但是那些是我实际测试过的代码（它利用了document.domain）
Other "newer" browsers likely will as well, however those are the ones that I've actually tested my code (which makes use of document.domain)
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