查看浏览器内核版本

Trident：

可以参考IE和Trident版本之间的对应表： http://en.wikipedia.org/wiki/Internet_Explorer。如IE9对应的Trident版本为5.0。

	Years	Layout engine	MicrosoftWindows	IBM OS/2 from 2.1	AppleMac OS	UnixHP-UX Solaris
8	7, WS 08 R2	Vista,WS 08	WS 03	XP	Me	2000	98	NT 4.0	95	NT 3.51	NT 3.5	NT 3.1	3.1x	X PPC	7.6to 9.2.2 PPC	7.5.x PPC	7.1 to 8.1 68K 7.1.2 PPC	7.0.1 68K
Years	-	-	TBD	2009	2006	2003	2001	2000	2000	1998	1996	1995	1995	1994	1993	1992	1993	2001	1997	1994	1992	1991	(1990s)
IE 10	TBD	Trident 6.0	Included	Yes	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
IE 9	2011	Trident 5.0[103]	No	Yes	Yes with Update	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
IE 8	2009	Trident 4.0[104]	No	Included	Yes	Yes with SP2	Yes with SP2/3	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
IE 7	2006	Trident	No	No	Included	Yes with SP1/2	Yes with SP2/3&	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No
IE 6	2001	Trident	No	No	No$	Included	Included	Yes 6.0 SP1	Yes 6.0 SP1	Yes 6.0 SP1	Yes 6.0 SP1	No	No	No	No	No	No	No	No	No	No	No	No
IE 5.5	2000	Trident	No	No	No	No	No***	Included	Yes	Yes	Yes	Yes 5.5 SP2	No	No	No	No	No	No	No	No	No	No	No
IE 5.0	1999	Trident Win Tasman Mac	No	No	No	No	No***	No	Included 5.01 SP4	Included with 98SE	Yes	Yes	Yes 16-bit	No	No	Yes 16-bit	No	Included 5.2.3 €	Included¥ 5.1.7 €	No	No	No	Yes 5.01 SP1
IE 4.5	1999	-	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	No	Included€	Yes	No	No	No
IE 4.0	1997	Trident	No	No	No	No	No***	No	No	Included	Yes	Included OSR2.5	Yes 16-bit	No	No	Yes 16-bit	No	No	Included€	Yes	Yes 4.01	No	Yes
IE 3.0	1996	-	No	No	No***	No	No***	No	No***	No	Yes	Included OSR2	Yes 16-bit	Yes 16-bit	No	Yes 16-bit	Win. 16-bit	No	Included€	Yes	Included€	No	Beta
IE 2.0	1995	-	No	No	No	No	No	No	No	No	Included	Included OSR1	Yes 16-bit	Yes 16-bit	Yes 16-bit	Yes 16-bit	Win. 16-bit	No	Yes	Yes	Yes£	Yes£ 2.0.1	No
IE 1.5	1996	Spyglass	No	No	No	No	No	No	No	No	Yes	Yes	Yes	Yes	No	No	No	No	No	No	No	No	No
IE 1.0	1995	Spyglass	No	No	No	No	No	No	No	No	No	Non-free Plus!	No	No	No	No	No	No	No	No	No	No	No

XULRunner：

在Windows或Linux下，运行xulrunner -version。

Webkit：

运行JavaScript脚本，navigator.userAgent，得到如下结果：

Mozilla/5.0 (Windows NT 5.1) AppleWebKit/535.19 (KHTML, like Gecko) Chrome/18.0.1025.142 Safari/535.19"

其中，535.19即为Webkit的版本号。