Full standards mode.
Almost standards mode.
A mode you should not use.
This test requires JavaScript.
Give a custom DOCTYPE:
Or select one here: Current on this page XHTML 1.0 Basic XHTML 1.1 XHTML MP 1.0 XHTML MP 1.1 XHTML MP 1.2 WML 2.0
Media type: text/html text/xml application/xhtml+xml application/xml
Linechanges:
Tabs:
There are three modes: quirks mode, limited quirks mode, no quirks mode.
