IE9 version of the following Ajax Cross-domain problem feasible solution _ajax related

Ajax cross-domain request data in Google Firefox my local IE11 is no problem.

Let the test found the problem, IE8 request not to the data, and then I look at their own write JS to see if there is no incompatibility problem, but there is no ah, why not to request it.

I put AJAX error print out hint no transport, online find data in JS first line plus this can be jQuery.support.cors = true;

Well, this question is gone, but there is another error without permission. Baidu has a lot of this problem is not what I want, and finally read an article let me see this is the security settings of IE browser,

The solution is as follows: Click the IE browser's "Tools->internet option-> Security-> Custom Level" To select "Access data source through domain" in the "other" option to "enable" or "Prompt", click OK.