height attributes
Browser Quirks mode Standards mode
<body> <html> <body> <html>
client offset scroll client offset scroll client offset scroll client offset scroll
Firefox 3.0a6pre vh ICB h max(ICB h, vh) ICB h ICB h ICB h ICB h ICB h ICB h vh ICB h max(ICB h, vh)
Internet Explorer 7 vh vh ICB h 0 vh vh ICB h ICB h ICB h vh vh ICB h
Opera … vh vh max(ICB h, vh) ICB h ICB h max(ICB h, vh) ICB h ICB h max(ICB h, vh) vh ICB h max(ICB h, vh)
Webkit (20070802) ICB h ICB h max(ICB h, vh) vh ICB h ICB h ICB h ICB h max(ICB h, vh) vh ICB h ICB h
DOCUMENTATION

vh = viewport height
ICB h = initial containing block height

The information above is only about clientHeight, offsetHeight and
scrollHeight in various situations.

http://tc.labs.opera.com/tools/cssom/layout-dom-attributes has been used for
obtaining the results.