title: Within a web browser, is it possible for JavaScript to obtain information about the HTTPS Certificate being used for the current page?
body: <p>Is there a method for JavaScript running in a browser to determine which CA certificate is being used to authenticate the remote host for the browser's current HTTPS connection, and also obtain properties of that certificate, such as the name of the CA?</p>
  
  <p>If not, are there any other options for programatically obtaining this information, such as ActiveX, Java, CGI on the server side, ...?</p>