AJAX uses JavaScript for dynamic content display, XHTML for content and XML to receive server data. In addition, it combines many other programming tools, such as the following: cascading style sheets ...

Hackers can mess with HTTPS connections by sending data to your email server Cross-protocol attacks could potentially steal login cookies or execute malicious code.

The server must send a response to the browser indicating the JavaScript file upload was successful; and; The client’s browser must provide an Ajax-based response indicating the file uploaded ...