goog.labs.useragent.verifier

Detect the current IE version using runtime behavior, returns 0 if a version of IE is not detected.

Detect the current IE version using MSIE version presented in the user agent string (This will not detected IE 11 which does not present a MSIE version), or zero if IE is not detected.

Correct the actual IE version based on the Trident version in the user agent string. This adjusts for IE's "compatiblity modes".

No information.