针对动态本地内容的跨域AJAX请求有哪些规则？

If I'm using a .NET WebBrowser control, and I dynamically populate the HTML, JS content, what exactly are the rules for AJAX cross-domain requests? I know I don't technically have a domain since it's local content, but I'm not sure how the browser handles this.If I'm using a .NET WebBrowser control, and I d