This page shows some of the various information you can gain about the user's envirnoment.
This is my attempt to create one user defined object that I can use for all of my multi-browser challenges. This table is created from a method in a user defined object that is located in "ex_environment.js". You will need to download and look at the source code to understand how the values in this table were created.
Add when I have time:
This may not show up in mobile phones.