附录: 一些常见的 doctype ""Oir!4
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Q 代表“混杂模式”，A 代表“接近标准模式”，S 代表“标准模式”。 1 ^30]2'_
YT,yR V9#
doctype IE6 Zrj#4 E 1
Opera 7.0 IE7 bdfs'udt9
Opera 7.1 IE8 w#ZzmO
Opera 9.5 Opera 9.0 Firefox [Jj@A(Cz
Chrome KW3<5+w]c
Safari 9XKqsvdS
Opera 10 QcJC:sP\>
<!DOCTYPE html> (推荐！) A A S S S W*DK pJy
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2 Final//EN"> Q Q Q Q Q E " >`
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN"> A A A S S 6b$C /
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0//EN" "http://www.w3.org/TR/html4/strict.dtd"> A A A S S Dr[;\/|#
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"> A A A S S ^q#[o O
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> A A A S S [h !i{QD
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> Q Q Q Q Q iOSt=-p
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> A A A Q Q Lu sd kc7
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> Q Q Q Q Q l p S v
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"> A A A A A vLBu E
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/1999/REC-html401-19991224/loose.dtd"> A A A A A /xcXd+k]
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd"> A A S S S mBb3Ta
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML Basic 1.0//EN" "http://www.w3.org/TR/xhtml-basic/xhtml-basic10.dtd"> A A S S S A zS u_
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd"> A A S S S #5kclu%L$
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> A A A A A z^j mf_
<!DOCTYPE HTML PUBLIC "ISO/IEC 15445:1999//DTD HyperText Markup Language//EN"> A A S S S 6xwjKh:9
<!DOCTYPE HTML PUBLIC "ISO/IEC 15445:2000//DTD HTML//EN"> Q Q Q Q S GDe,n
<!DOCTYPE HTML PUBLIC "ISO/IEC 15445:1999//DTD HTML//EN"> Q Q Q Q S
