<!DOCTYPE> 声明
|
版本 |
年份 |
|
HTML |
1991 |
|
HTML+ |
1993 |
|
HTML 2.0 |
1995 |
|
HTML 3.2 |
1997 |
|
HTML 4.01 |
1999 |
|
XHTML 1.0 |
2000 |
|
HTML5 |
2012 |
|
XHTML5 |
2013 |
带有 HTML5 DOCTYPE 的 HTML 文档：
<!DOCTYPE html>
HTML 4.01
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN""http://www.w3.org/TR/html4/loose.dtd">
XHTML 1.0
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN""http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
HTML 中的常用字符实体是不间断空格( )。
HTML 中有用的字符实体
注释：实体名称对大小写敏感！
<html>
<!--------- HTML 中有用的字符实体
注释：实体名称对大小写敏感！
显示结果 描述 实体名称 实体编号
空格
< 小于号 < <
> 大于号 > >
& 和号 & &
" 引号 " "
' 撇号 ' (IE不支持) '
￠ 分 ¢ ¢
£ 镑 £ £
¥ 日圆 ¥ ¥
€ 欧元 € €
§ 小节 § §
© 版权 © ©
® 注册商标 ® ®
™ 商标 ™ ™
× 乘号 × ×
÷ 除号 ÷ ÷
结果 描述 实体名称 实体编号
" quotation mark " "
' apostrophe ' '
& ampersand & &
< less-than < <
> greater-than > >
ISO 8859-1 符号实体
结果 描述 实体名称 实体编号
non-breaking space
¡ inverted exclamation mark ¡ ¡
¢ cent ¢ ¢
£ pound £ £
¤ currency ¤ ¤
¥ yen ¥ ¥
¦ broken vertical bar ¦ ¦
§ section § §
¨ spacing diaeresis ¨ ¨
© copyright © ©
ª feminine ordinal indicator ª ª
« angle quotation mark (left) « «
¬ negation ¬ ¬
soft hyphen ­
® registered trademark ® ®
¯ spacing macron ¯ ¯
° degree ° °
± plus-or-minus ± ±
² superscript 2 ² ²
³ superscript 3 ³ ³
´ spacing acute ´ ´
µ micro µ µ
¶ paragraph ¶ ¶
· middle dot · ·
¸ spacing cedilla ¸ ¸
¹ superscript 1 ¹ ¹
º masculine ordinal indicator º º
» angle quotation mark (right) » »
¼ fraction 1/4 ¼ ¼
½ fraction 1/2 ½ ½
¾ fraction 3/4 ¾ ¾
¿ inverted question mark ¿ ¿
× multiplication × ×
÷ division ÷ ÷
ISO 8859-1 字符实体
结果 描述 实体名称 实体编号
À capital a, grave accent À À
Á capital a, acute accent Á Á
 capital a, circumflex accent  Â
à capital a, tilde à Ã
Ä capital a, umlaut mark Ä Ä
Å capital a, ring Å Å
Æ capital ae Æ Æ
Ç capital c, cedilla Ç Ç
È capital e, grave accent È È
É capital e, acute accent É É
Ê capital e, circumflex accent Ê Ê
Ë capital e, umlaut mark Ë Ë
Ì capital i, grave accent Ì Ì
Í capital i, acute accent Í Í
Î capital i, circumflex accent Î Î
Ï capital i, umlaut mark Ï Ï
Ð capital eth, Icelandic Ð Ð
Ñ capital n, tilde Ñ Ñ
Ò capital o, grave accent Ò Ò
Ó capital o, acute accent Ó Ó
Ô capital o, circumflex accent Ô Ô
Õ capital o, tilde Õ Õ
Ö capital o, umlaut mark Ö Ö
Ø capital o, slash Ø Ø
Ù capital u, grave accent Ù Ù
Ú capital u, acute accent Ú Ú
Û capital u, circumflex accent Û Û
Ü capital u, umlaut mark Ü Ü
Ý capital y, acute accent Ý Ý
Þ capital THORN, Icelandic Þ Þ
ß small sharp s, German ß ß
à small a, grave accent à à
á small a, acute accent á á
â small a, circumflex accent â â
ã small a, tilde ã ã
ä small a, umlaut mark ä ä
å small a, ring å å
æ small ae æ æ
ç small c, cedilla ç ç
è small e, grave accent è è
é small e, acute accent é é
ê small e, circumflex accent ê ê
ë small e, umlaut mark ë ë
ì small i, grave accent ì ì
í small i, acute accent í í
î small i, circumflex accent î î
ï small i, umlaut mark ï ï
ð small eth, Icelandic ð ð
ñ small n, tilde ñ ñ
ò small o, grave accent ò ò
ó small o, acute accent ó ó
ô small o, circumflex accent ô ô
õ small o, tilde õ õ
ö small o, umlaut mark ö ö
ø small o, slash ø ø
ù small u, grave accent ù ù
ú small u, acute accent ú ú
û small u, circumflex accent û û
ü small u, umlaut mark ü ü
ý small y, acute accent ý ý
þ small thorn, Icelandic þ þ
ÿ small y, umlaut mark ÿ ÿ
HTML 4.01 符号实体
本字符实体参考手册包括了数学符号、希腊字符、各种箭头记号、科技符号以及形状。
注释：实体名称对大小写敏感。
HTML 支持的数学符号
结果 描述 实体名称 实体编号
∀ for all ∀ ∀
∂ part ∂ ∂
∃ exists &exists; ∃
∅ empty ∅ ∅
∇ nabla ∇ ∇
∈ isin ∈ ∈
∉ notin ∉ ∉
∋ ni ∋ ∋
∏ prod ∏ ∏
∑ sum ∑ ∑
− minus − −
∗ lowast ∗ ∗
√ square root √ √
∝ proportional to ∝ ∝
∞ infinity ∞ ∞
∠ angle ∠ ∠
∧ and ∧ ∧
∨ or ∨ ∨
∩ cap ∩ ∩
∪ cup ∪ ∪
∫ integral ∫ ∫
∴ therefore ∴ ∴
∼ simular to ∼ ∼
≅ approximately equal ≅ ≅
≈ almost equal ≈ ≈
≠ not equal ≠ ≠
≡ equivalent ≡ ≡
≤ less or equal ≤ ≤
≥ greater or equal ≥ ≥
⊂ subset of ⊂ ⊂
⊃ superset of ⊃ ⊃
⊄ not subset of ⊄ ⊄
⊆ subset or equal ⊆ ⊆
⊇ superset or equal ⊇ ⊇
⊕ circled plus ⊕ ⊕
⊗ cirled times ⊗ ⊗
⊥ perpendicular ⊥ ⊥
⋅ dot operator ⋅ ⋅
HTML 支持的希腊字母
结果 描述 实体名称 实体编号
Α Alpha Α Α
Β Beta Β Β
Γ Gamma Γ Γ
Δ Delta Δ Δ
Ε Epsilon Ε Ε
Ζ Zeta Ζ Ζ
Η Eta Η Η
Θ Theta Θ Θ
Ι Iota Ι Ι
Κ Kappa Κ Κ
Λ Lambda Λ Λ
Μ Mu Μ Μ
Ν Nu Ν Ν
Ξ Xi Ξ Ξ
Ο Omicron Ο Ο
Π Pi Π Π
Ρ Rho Ρ Ρ
Sigmaf undefined
Σ Sigma Σ Σ
Τ Tau Τ Τ
Υ Upsilon Υ Υ
Φ Phi Φ Φ
Χ Chi Χ Χ
Ψ Psi Ψ Ψ
Ω Omega Ω Ω
α alpha α α
β beta β β
γ gamma γ γ
δ delta δ δ
ε epsilon ε ε
ζ zeta ζ ζ
η eta η η
θ theta θ θ
ι iota ι ι
κ kappa κ κ
λ lambda λ Λ
μ mu μ μ
ν nu ν Ν
ξ xi ξ ξ
ο omicron ο ο
π pi π π
ρ rho ρ ρ
ς sigmaf ς ς
σ sigma σ σ
τ tau τ τ
υ upsilon υ υ
φ phi φ φ
χ chi χ χ
ψ psi ψ ψ
ω omega ω ω
ϑ theta symbol ϑ ϑ
ϒ upsilon symbol ϒ ϒ
ϖ pi symbol ϖ ϖ
HTML 支持的其他实体
结果 描述 实体名称 实体编号
Œ capital ligature OE Œ Œ
œ small ligature oe œ œ
Š capital S with caron Š Š
š small S with caron š š
Ÿ capital Y with diaeres Ÿ Ÿ
ƒ f with hook ƒ ƒ
ˆ modifier letter circumflex accent ˆ ˆ
˜ small tilde ˜ ˜
en space  
em space  
thin space  
zero width non-joiner ‌
zero width joiner ‍
left-to-right mark ‎
right-to-left mark ‏
– en dash – –
— em dash — —
‘ left single quotation mark ‘ ‘
’ right single quotation mark ’ ’
‚ single low-9 quotation mark ‚ ‚
“ left double quotation mark “ “
” right double quotation mark ” ”
„ double low-9 quotation mark „ „
† dagger † †
‡ double dagger ‡ ‡
• bullet • •
… horizontal ellipsis … …
‰ per mille ‰ ‰
′ minutes ′ ′
″ seconds ″ ″
‹ single left angle quotation ‹ ‹
› single right angle quotation › ›
‾ overline ‾ ‾
€ euro € €
™ trademark ™ ™
← left arrow ← ←
↑ up arrow ↑ ↑
→ right arrow → →
↓ down arrow ↓ ↓
↔ left right arrow ↔ ↔
↵ carriage return arrow ↵ ↵
⌈ left ceiling ⌈ ⌈
⌉ right ceiling ⌉ ⌉
⌊ left floor ⌊ ⌊
⌋ right floor ⌋ ⌋
◊ lozenge ◊ ◊
♠ spade ♠ ♠
♣ club ♣ ♣
♥ heart ♥ ♥
♦ diamond ♦ ♦ ------> </html>
HTML URL 编码
下面是用 URL 编码形式表示的 ASCII 字符（十六进制格式）。
十六进制格式用于在浏览器和插件中显示非标准的字母和字符。
URL 编码 - 从 %00 到 %8f
<html> ASCII Value URL-encode ASCII Value URL-encode ASCII Value URL-encode
æ %00 0 %30 ` %60
%01 1 %31 a %61
%02 2 %32 b %62
%03 3 %33 c %63
%04 4 %34 d %64
%05 5 %35 e %65
%06 6 %36 f %66
%07 7 %37 g %67
backspace %08 8 %38 h %68
tab %09 9 %39 i %69
linefeed %0a : %3a j %6a
%0b ; %3b k %6b
%0c < %3c l %6c
c return %0d = %3d m %6d
%0e > %3e n %6e
%0f ? %3f o %6f
%10 @ %40 p %70
%11 A %41 q %71
%12 B %42 r %72
%13 C %43 s %73
%14 D %44 t %74
%15 E %45 u %75
%16 F %46 v %76
%17 G %47 w %77
%18 H %48 x %78
%19 I %49 y %79
%1a J %4a z %7a
%1b K %4b { %7b
%1c L %4c | %7c
%1d M %4d } %7d
%1e N %4e ~ %7e
%1f O %4f %7f
space %20 P %50 € %80
! %21 Q %51 %81
" %22 R %52 ‚ %82
# %23 S %53 ƒ %83
$ %24 T %54 „ %84
% %25 U %55 … %85
& %26 V %56 † %86
' %27 W %57 ‡ %87
( %28 X %58 ˆ %88
) %29 Y %59 ‰ %89
* %2a Z %5a Š %8a
+ %2b [ %5b ‹ %8b
, %2c \ %5c Π%8c
- %2d ] %5d %8d
. %2e ^ %5e Ž %8e
/ %2f _ %5f %8f
URL 编码 - 从 %90 到 %ff
ASCII Value URL-encode ASCII Value URL-encode ASCII Value URL-encode
%90 À %c0 ð %f0
‘ %91 Á %c1 ñ %f1
’ %92 Â %c2 ò %f2
“ %93 Ã %c3 ó %f3
” %94 Ä %c4 ô %f4
• %95 Å %c5 õ %f5
– %96 Æ %c6 ö %f6
— %97 Ç %c7 ÷ %f7
˜ %98 È %c8 ø %f8
™ %99 É %c9 ù %f9
š %9a Ê %ca ú %fa
› %9b Ë %cb û %fb
œ %9c Ì %cc ü %fc
%9d Í %cd ý %fd
ž %9e Î %ce þ %fe
Ÿ %9f Ï %cf ÿ %ff
%a0 Ð %d0
¡ %a1 Ñ %d1
¢ %a2 Ò %d2
£ %a3 Ó %d3
%a4 Ô %d4
¥ %a5 Õ %d5
| %a6 Ö %d6
§ %a7 %d7
¨ %a8 Ø %d8
© %a9 Ù %d9
ª %aa Ú %da
« %ab Û %db
¬ %ac Ü %dc
¯ %ad Ý %dd
® %ae Þ %de
¯ %af ß %df
° %b0 à %e0
± %b1 á %e1
² %b2 â %e2
³ %b3 ã %e3
´ %b4 ä %e4
µ %b5 å %e5
¶ %b6 æ %e6
· %b7 ç %e7
¸ %b8 è %e8
¹ %b9 é %e9
º %ba ê %ea
» %bb ë %eb
¼ %bc ì %ec
½ %bd í %ed
¾ %be î %ee
¿ %bf ï %ef </html>