特殊的ASCII码对应的字符 所属栏目:编码知识 18年03月05日 标签:

Special Characters

"

"

"

quotation mark

u+0022 ISOnum

p:before { content:"\0022";   }

alert("\42")

&

&

&

ampersand

u+0026 ISOnum

p:before { content:"\0026"; }

alert("\46")

<

<

< 

less-than sign

u+003C ISOnum

p:before { content:"\003c"; }

alert("\74");

&gt;

&#62;

> 

greater-than sign

u+003E ISOnum

p:before { content:"\003e"; }

alert("\76");

Latin-1 entity set for HTML

Name


Numeric

Description

Hex

ISO in CSS content

Octal

&nbsp;


&#160;

no-break space

%A0

p:before { content:"\00a0"; }

alert("\240");

&iexcl;

¡

&#161;

inverted exclamation mark

%A1

p:before { content:"\00a1"; }

alert("\241");

&cent;

¢

&#162;

cent sign

%A2

p:before { content:"\00a2"; }

alert("\242");

&pound;

£

&#163;

pound sterling sign

%A3

p:before { content:"\00a3"; }

alert("\243");

&curren;

¤

&#164;

general currency sign

%A4

p:before { content:"\00a4"; }

alert("\244");

&yen;

¥

&#165;

yen sign

%A5

p:before { content:"\00a5"; }

alert("\245");

&brvbar;

¦

&#166;

broken (vertical) bar

%A6

p:before { content:"\00a6"; }

alert("\246");

&sect;

§

&#167;

section sign

%A7

p:before { content:"\00a7"; }

alert("\247");

&uml;

¨

&#168;

umlaut (dieresis)

%A8

p:before { content:"\00a8"; }

alert("\250");

&copy;

©

&#169;

copyright sign

%A9

p:before { content:"\00a9"; }

alert("\251");

&ordf;

ª

&#170;

ordinal indicator, feminine

%AA

p:before { content:"\00aa"; }

alert("\252");

&laquo;

«

&#171;

angle quotation mark, left

%AB

p:before { content:"\00ab"; }

alert("\253");

&not;

¬

&#172;

not sign

%AC

p:before { content:"\00ac"; }

alert("\254");

&shy;


&#173;

soft hyphen

%AD

p:before { content:"\00ad"; }

alert("\255");

&reg;

®

&#174;

registered sign

%AE

p:before { content:"\00ae"; }

alert("\256");

&macr;

¯

&#175;

macron

%AF

p:before { content:"\00af"; }

alert("\257");

&deg;

°

&#176;

degree sign

%B0

p:before { content:"\00b0"; }

alert("\260");

&plusmn;

±

&#177;

plus-or-minus sign

%B1

p:before { content:"\00b1"; }

alert("\261");

&sup2;

²

&#178;

superscript two

%B2

p:before { content:"\00b2"; }

alert("\262");

&sup3;

³

&#179;

superscript three

%B3

p:before { content:"\00b3"; }

alert("\263");

&acute;

´

&#180;

acute accent

%B4

p:before { content:"\00b4"; }

alert("\264");

&micro;

µ

&#181;

micro sign

%B5

p:before { content:"\00b5"; }

alert("\265");

&para;

&#182;

pilcrow (paragraph sign)

%B6

p:before { content:"\00b6"; }

alert("\266");

&middot;

·

&#183;

middle dot

%B7

p:before { content:"\00b7"; }

alert("\267");

&cedil;

¸

&#184;

cedilla

%B8

p:before { content:"\00b8"; }

alert("\270");

&sup1;

¹

&#185;

superscript one

%B9

p:before { content:"\00b9"; }

alert("\271");

&ordm;

º

&#186;

ordinal indicator, masculine

%BA

p:before { content:"\00ba"; }

alert("\272");

&raquo;

»

&#187;

angle quotation mark, right

%BB

p:before { content:"\00bb"; }

alert("\273");

&frac14;

¼

&#188;

fraction one-quarter

%BC

p:before { content:"\00bc"; }

alert("\274");

&frac12;

½

&#189;

fraction one-half

%BD

p:before { content:"\00bd"; }

alert("\275");

&frac34;

¾

&#190;

fraction three-quarters

%BE

p:before { content:"\00be"; }

alert("\276");

&iquest;

¿

&#191;

inverted question mark

%BF

p:before { content:"\00bf"; }

alert("\277");

&Agrave;

À

&#192;

capital A, grave accent

%C0

p:before { content:"\00c0"; }

alert("\300");

&Aacute;

Á

&#193;

capital A, acute accent

%C1

p:before { content:"\00c1"; }

alert("\301");

&Acirc;

Â

&#194;

capital A, circumflex accent

%C2

p:before { content:"\00c2"; }

alert("\302");

&Atilde;

Ã

&#195;

capital A, tilde

%C3

p:before { content:"\00c3"; }

alert("\303");

&Auml;

Ä

&#196;

capital A, dieresis or umlaut mark

%C4

p:before { content:"\00c4"; }

alert("\304");

&Aring;

Å

&#197;

capital A, ring

%C5

p:before { content:"\00c5"; }

alert("\305");

&AElig;

Æ

&#198;

capital AE diphthong (ligature)

%C6

p:before { content:"\00c6"; }

alert("\306");

&Ccedil;

Ç

&#199;

capital C, cedilla

%C7

p:before { content:"\00c7"; }

alert("\307");

&Egrave;

È

&#200;

capital E, grave accent

%C8

p:before { content:"\00c8"; }

alert("\310");

&Eacute;

É

&#201;

capital E, acute accent

%C9

p:before { content:"\00c9"; }

alert("\311");

&Ecirc;

Ê

&#202;

capital E, circumflex accent

%CA

p:before { content:"\00ca"; }

alert("\312");

&Euml;

Ë

&#203;

capital E, dieresis or umlaut mark

%CB

p:before { content:"\00cb"; }

alert("\313");

&Igrave;

Ì

&#204;

capital I, grave accent

%CC

p:before { content:"\00cc"; }

alert("\314");

&Iacute;

Í

&#205;

capital I, acute accent

%CD

p:before { content:"\00cd"; }

alert("\315");

&Icirc;

Î

&#206;

capital I, circumflex accent

%CE

p:before { content:"\00ce"; }

alert("\316");

&Iuml;

Ï

&#207;

capital I, dieresis or umlaut mark

%CF

p:before { content:"\00cf"; }

alert("\317");

&ETH;

Ð

&#208;

capital Eth, Icelandic

%D0

p:before { content:"\00d0"; }

alert("\320");

&Ntilde;

Ñ

&#209;

capital N, tilde

%D1

p:before { content:"\00d1"; }

alert("\321");

&Ograve;

Ò

&#210;

capital O, grave accent

%D2

p:before { content:"\00d2"; }

alert("\322");

&Oacute;

Ó

&#211;

capital O, acute accent

%D3

p:before { content:"\00d3"; }

alert("\323");

&Ocirc;

Ô

&#212;

capital O, circumflex accent

%D4

p:before { content:"\00d4"; }

alert("\324");

&Otilde;

Õ

&#213;

capital O, tilde

%D5

p:before { content:"\00d5"; }

alert("\325");

&Ouml;

Ö

&#214;

capital O, dieresis or umlaut mark

%D6

p:before { content:"\00d6"; }

alert("\326");

&times;

×

&#215;

multiply sign

%D7

p:before { content:"\00d7"; }

alert("\327");

&Oslash;

Ø

&#216;

capital O, slash

%D8

p:before { content:"\00d8";   }

alert("\330");

&Ugrave;

Ù

&#217;

capital U, grave accent

%D9

p:before { content:"\00d9";   }

alert("\331");

&Uacute;

Ú

&#218;

capital U, acute accent

%DA

p:before { content:"\00da";   }

alert("\332");

&Ucirc;

Û

&#219;

capital U, circumflex accent

%DB

p:before { content:"\00db";   }

alert("\333");

&Uuml;

Ü

&#220;

capital U, dieresis or umlaut mark

%DC

p:before { content:"\00dc";   }

alert("\334");

&Yacute;

Ý

&#221;

capital Y, acute accent

%DD

p:before { content:"\00dd";   }

alert("\335");

&THORN;

Þ

&#222;

capital THORN, Icelandic

%DE

p:before { content:"\00de";   }

alert("\336");

&szlig;

ß

&#223;

small sharp s, German (sz ligature)

%DF

p:before { content:"\00df";   }

alert("\337");

&agrave;

à

&#224;

small a, grave accent

%E0

p:before { content:"\00e0";   }

alert("\340");

&aacute;

á

&#225;

small a, acute accent

%E1

p:before { content:"\00e1";   }

alert("\341");

&acirc;

â

&#226;

small a, circumflex accent

%E2

p:before { content:"\00e2";   }

alert("\342");

&atilde;

ã

&#227;

small a, tilde

%E3

p:before { content:"\00e3";   }

alert("\343");

&auml;

ä

&#228;

small a, dieresis or umlaut mark

%E4

p:before { content:"\00e4";   }

alert("\344");

&aring;

å

&#229;

small a, ring

%E5

p:before { content:"\00e5";   }

alert("\345");

&aelig;

æ

&#230;

small ae diphthong (ligature)

%E6

p:before { content:"\00e6";   }

alert("\346");

&ccedil;

ç

&#231;

small c, cedilla

%E7

p:before { content:"\00e7";   }

alert("\347");

&egrave;

è

&#232;

small e, grave accent

%E8

p:before { content:"\00e8";   }

alert("\350");

&eacute;

é

&#233;

small e, acute accent

%E9

p:before { content:"\00e9";   }

alert("\351");

&ecirc;

ê

&#234;

small e, circumflex accent

%EA

p:before { content:"\00ea";   }

alert("\352");

&euml;

ë

&#235;

small e, dieresis or umlaut mark

%EB

p:before { content:"\00eb";   }

alert("\353");

&igrave;

ì

&#236;

small i, grave accent

%EC

p:before { content:"\00ec";   }

alert("\354");

&iacute;

í

&#237;

small i, acute accent

%ED

p:before { content:"\00ed";   }

alert("\355");

&icirc;

î

&#238;

small i, circumflex accent

%EE

p:before { content:"\00ee";   }

alert("\356");

&iuml;

ï

&#239;

small i, dieresis or umlaut mark

%EF

p:before { content:"\00ef";   }

alert("\357");

&eth;

ð

&#240;

small eth, Icelandic

%F0

p:before { content:"\00f0";   }

alert("\360");

&ntilde;

ñ

&#241;

small n, tilde

%F1

p:before { content:"\00f1";   }

alert("\361");

&ograve;

ò

&#242;

small o, grave accent

%F2

p:before { content:"\00f2";   }

alert("\362");

&oacute;

ó

&#243;

small o, acute accent

%F3

p:before { content:"\00f3";   }

alert("\363");

&ocirc;

ô

&#244;

small o, circumflex accent

%F4

p:before { content:"\00f4";   }

alert("\364");

&otilde;

õ

&#245;

small o, tilde

%F5

p:before { content:"\00f5";   }

alert("\365");

&ouml;

ö

&#246;

small o, dieresis or umlaut mark

%F6

p:before { content:"\00f6";   }

alert("\366");

&divide;

÷

&#247;

divide sign

%F7

p:before { content:"\00f7";   }

alert("\367");

&oslash;

ø

&#248;

small o, slash

%F8

p:before { content:"\00f8";   }

alert("\370");

&ugrave;

ù

&#249;

small u, grave accent

%F9

p:before { content:"\00f9";   }

alert("\371");

&uacute;

ú

&#250;

small u, acute accent

%FA

p:before { content:"\00fa";   }

alert("\372");

&ucirc;

û

&#251;

small u, circumflex accent

%FB

p:before { content:"\00fb";   }

alert("\373");

&uuml;

ü

&#252;

small u, dieresis or umlaut mark

%FC

p:before { content:"\00fc";   }

alert("\374");

&yacute;

ý

&#253;

small y, acute accent

%FD

p:before { content:"\00fd";   }

alert("\375");

&thorn;

þ

&#254;

small thorn, Icelandic

%FE

p:before { content:"\00fe";   }

alert("\376");

&yuml;

ÿ

&#255;

small y, dieresis or umlaut mark

%FF

p:before { content:"\00ff";   }

alert("\377");

#Latin Extended-A

&OElig;

Œ

&#338;

latin capital ligature oe

u+0152 ISOlat2

p:before { content:"\0152"; }

alert("\u0152");

&oelig;

œ

&#339;

latin small ligature oe
  (ligature is a misnomer, this is a separate character in some languages)

u+0153 ISOlat2

p:before { content:"\0153"; }

alert("\u0153");

&Scaron;

Š

&#352;

latin capital letter s with caron

u+0160 ISOlat2

p:before { content:"\0160"; }

alert("\u0160");

&scaron;

š

&#353;

latin small letter s with caron

u+0161 ISOlat2

p:before { content:"\0161"; }

alert("\u0161");

&Yuml;

Ÿ

&#376;

latin capital letter y with diaeresis

u+0178 ISOlat2

p:before { content:"\0178"; }

alert("\u0178");

#Latin Extended-B

&fnof;

ƒ

&#402;

latin small f with hook, a.k.a. function, a.k.a. florin

u+0192 ISOtech

p:before { content:"\0192"; }

alert("\u0192");

#Spacing Modifier Letters

&circ;

ˆ

modifier letter circumflex accent

u+02C6 ISOpub

p:before { content:"\02c6"; }

alert("\u02c6");

&tilde;

˜

small tilde

u+02DC ISOdia

p:before { content:"\02dc"; }

alert("\u02dc");

Greek

&Alpha;

Α

&#913;

greek capital letter alpha

u+0391

p:before { content:"\0391"; }

alert("\u0391");

&Beta;

Β

&#914;

greek capital letter beta

u+0392

p:before { content:"\0392"; }

alert("\u0392");

&Gamma;

Γ

&#915;

greek capital letter gamma

u+0393 ISOgrk3

p:before { content:"\0393"; }

alert("\u0395");

&Delta;

Δ

&#916;

greek capital letter delta

u+0394 ISOgrk3

p:before { content:"\0394"; }

alert("\u0394");

&Epsilon;

Ε

&#917;

greek capital letter epsilon

u+0395

p:before { content:"\0395"; }

alert("\u0395");

&Zeta;

Ζ

&#918;

greek capital letter zeta

u+0396

p:before { content:"\0396"; }

alert("\u0396");

&Eta ;

Η

&#919;

greek capital letter eta

u+0397

p:before { content:"\0397"; }

alert("\u0397");

&Theta;

Θ

&#920;

greek capital letter theta

u+0398 ISOgrk3

p:before { content:"\0398"; }

alert("\u0398");

&Iota;

Ι

&#921;

greek capital letter iota

u+0399

p:before { content:"\0399"; }

alert("\u0399");

&Kappa;

Κ

&#922;

greek capital letter kappa

u+039A

p:before { content:"\039a"; }

alert("\u039a");

&Lambda;

Λ

&#923;

greek capital letter lambda

u+039B ISOgrk3

p:before { content:"\039b"; }

alert("\u039b");

&Mu ;

Μ

&#924;

greek capital letter mu

u+039C

p:before { content:"\039c"; }

alert("\u039c");

&Nu ;

Ν

&#925;

greek capital letter nu

u+039D

p:before { content:"\039d"; }

alert("\u039D");

&Xi ;

Ξ

&#926;

greek capital letter xi

u+039E ISOgrk3

p:before { content:"\039e"; }

alert("\u039e");

&Omicron;

Ο

&#927;

greek capital letter omicron

u+039F

p:before { content:"\039f"; }

alert("\u039f");

&Pi ;

Π

&#928;

greek capital letter pi

u+03A0 ISOgrk3

p:before { content:"\03a0"; }

alert("\u03a0");

&Rho ;

Ρ

&#929;

greek capital letter rho

u+03A1

p:before { content:"\03a1"; }

alert("\u03a1");

there is no Sigmaf, and no u+03A2 character either)

&Sigma;

Σ

&#931;

greek capital letter sigma

u+03A3 ISOgrk3

p:before { content:"\03a3"; }

alert("\u03A3");

&Tau ;

Τ

&#932;

greek capital letter tau

u+03A4

p:before { content:"\03a4"; }

alert("\u03A4");

&Upsilon;

Υ

&#933;

greek capital letter upsilon

u+03A5 ISOgrk3

p:before { content:"\03a5"; }

alert("\u03A5");

&Phi ;

Φ

&#934;

greek capital letter phi

u+03A6 ISOgrk3

p:before { content:"\03a6"; }

alert("\u03A6");

&Chi ;

Χ

&#935;

greek capital letter chi

u+03A7

p:before { content:"\03a7"; }

alert("\u03A7");

&Psi ;

Ψ

&#936;

greek capital letter psi

u+03A8 ISOgrk3

p:before { content:"\03a8"; }

alert("\u03A8");

&Omega;

Ω

&#937;

greek capital letter omega

u+03A9 ISOgrk3

p:before { content:"\03a9"; }

alert("\u03A9");

&alpha;

α

&#945;

greek small letter alpha

u+03B1 ISOgrk3

p:before { content:"\03b1"; }

alert("\u03b1");

&beta;

β

&#946;

greek small letter beta

u+03B2 ISOgrk3

p:before { content:"\03b2"; }

alert("\u03b2");

&gamma;

γ

&#947;

greek small letter gamma

u+03B3 ISOgrk3

p:before { content:"\03b3"; }

alert("\u03b3");

&delta;

δ

&#948;

greek small letter delta

u+03B4 ISOgrk3

p:before { content:"\03b4"; }

alert("\u03b4");

&epsilon;

ε

&#949;

greek small letter epsilon

u+03B5 ISOgrk3

p:before { content:"\03b5"; }

alert("\u03b5");

&zeta;

ζ

&#950;

greek small letter zeta

u+03B6 ISOgrk3

p:before { content:"\03b6"; }

alert("\u03b6");

&eta ;

η

&#951;

greek small letter eta

u+03B7 ISOgrk3

p:before { content:"\03b7"; }

alert("\u03b7");

&theta;

θ

&#952;

greek small letter theta

u+03B8 ISOgrk3

p:before { content:"\03b8"; }

alert("\u03b8");

&iota;

ι

&#953;

greek small letter iota

u+03B9 ISOgrk3

p:before { content:"\03b9"; }

alert("\u03b9");

&kappa;

κ

&#954;

greek small letter kappa

u+03BA ISOgrk3

p:before { content:"\03ba"; }

alert("\u03ba");

&lambda;

λ

&#955;

greek small letter lambda

u+03BB ISOgrk3

p:before { content:"\03bb"; }

alert("\u03bb");

&mu ;

μ

&#956;

greek small letter mu

u+03BC ISOgrk3

p:before { content:"\03bc"; }

alert("\u03bc");

&nu ;

ν

&#957;

greek small letter nu

u+03BD ISOgrk3

p:before { content:"\03bd"; }

alert("\u03bd");

&xi ;

ξ

&#958;

greek small letter xi

u+03BE ISOgrk3

p:before { content:"\03be"; }

alert("\u03be");

&omicron;

ο

&#959;

greek small letter omicron

u+03BF NEW

p:before { content:"\03bf"; }

alert("\u03bf");

&pi ;

π

&#960;

greek small letter pi

u+03C0 ISOgrk3

p:before { content:"\03c0"; }

alert("\u03c0");

&rho ;

ρ

&#961;

greek small letter rho

u+03C1 ISOgrk3

p:before { content:"\03c1"; }

alert("\u03c1");

&sigmaf;

ς

&#962;

greek small letter final sigma

u+03C2 ISOgrk3

p:before { content:"\03C2"; }

alert("\u03c2");

&sigma;

σ

&#963;

greek small letter sigma

u+03C3 ISOgrk3

p:before { content:"\03C3"; }

alert("\u03c3");

&tau ;

τ

&#964;

greek small letter tau

u+03C4 ISOgrk3

p:before { content:"\03C4"; }

alert("\u03c4");

&upsilon;

υ

&#965;

greek small letter upsilon

u+03C5 ISOgrk3

p:before { content:"\03C5"; }

alert("\u03c5");

&phi ;

φ

&#966;

greek small letter phi

u+03C6 ISOgrk3

p:before { content:"\03C6"; }

alert("\03c6");

&chi ;

χ

&#967;

greek small letter chi

u+03C7 ISOgrk3

p:before { content:"\03C7"; }

alert("\u03c7");

&psi ;

ψ

&#968;

greek small letter psi

u+03C8 ISOgrk3

p:before { content:"\03C8"; }

alert("\u03c8");

&omega;

ω

&#969;

greek small letter omega

u+03C9 ISOgrk3

p:before { content:"\03C9"; }

alert("\u03c9");

&thetasym;

ϑ

&#977;

greek small letter theta symbol

u+03D1 NEW

p:before { content:"\03D1"; }

alert("\u03D1");

&upsih;

ϒ

&#978;

greek upsilon with hook symbol

u+03D2 NEW

p:before { content:"\03D2"; }

alert("\u03D2");

&piv ;

ϖ

&#982;

greek pi symbol

u+03D6 ISOgrk3

p:before { content:"\03D6"; }

alert("\u03D6");

Punctuation

&ensp;


&#8194;

en space

u+2002 ISOpub

p:before { content:"\2002";}

alert("\u2002");

&emsp;


&#8195;

em space

u+2003 ISOpub

p:before { content:"\2003";}

alert("\u2003");

&thinsp;


&#8201;

thin space

u+2009 ISOpub

p:before { content:"\2009";}

alert("\u2009");

&zwnj;

&#8204;

zero width non-joiner

u+200C NEW RFC 2070

p:before { content:"\200C";}

alert("\u200C");

&zwj;

&#8205;

zero width joiner

u+200D NEW RFC 2070

p:before { content:"\200D";}

alert("\u200d");

&lrm;

&#8206;

left-to-right mark

u+200E NEW RFC 2070

p:before { content:"\200E";}

alert("\u200e");

&rlm;

&#8207;

right-to-left mark

u+200F NEW RFC 2070

p:before { content:"\200F";}

alert("\u200f");

&ndash;

&#8211;

en dash

u+2013 ISOpub

p:before { content:"\2013";}

alert("\u2013");

&mdash;

&#8212;

em dash

u+2014 ISOpub

p:before { content:"\2014";}

alert("\u2014");

&lsquo;

&#8216;

left single quotation mark

u+2018 ISOnum

p:before { content:"\2018";}

alert("\u2018");

&rsquo;

&#8217;

right single quotation mark

u+2019 ISOnum

p:before { content:"\2019";}

alert("\u2019");

&sbquo;

&#8218;

single low-9 quotation mark

u+201A NEW

p:before { content:"\201A";}

alert("\u201a");

&ldquo;

&#8220;

left double quotation mark

u+201C ISOnum

p:before { content:"\201C";}

alert("\u201c");

&rdquo;

&#8221;

right double quotation mark

u+201D ISOnum

p:before { content:"\201D";}

alert("\u201d");

&bdquo;

&#8222;

double low-9 quotation mark

u+201E NEW

p:before { content:"\201E";}

alert("\u201e");

&dagger;

&#8224;

dagger

u+2020 ISOpub

p:before { content:"\2020";}

alert("\u2020");

&Dagger;

&#8225;

double dagger

u+2021 ISOpub

p:before { content:"\2021";}

alert("\u2021");

&permil;

&#8240;

per mille sign

u+2030 ISOtech

p:before { content:"\2030";}

alert("\u2030");

&lsaquo;

&#8249;

single left-pointing angle quotation mark
  (lsaquo is proposed but not yet ISO standardised)

u+2039 ISO proposed

p:before { content:"\2039";}

alert("\u2039");

&rsaquo;

&#8250;

single right-pointing angle quotation mark
  rsaquo is proposed but not yet ISO standardised

u+203A ISO proposed

p:before { content:"\203A";}

alert("\u203a");

General Punctuation

&bull;

&#8226;

bullet, a.k.a. black small circle
  bullet is NOT the same as bullet operator
— u+2219

u+2022 ISOpub

alert("\u2219");

&hellip;

&#8230;

horizontal ellipsis, a.k.a. three dot leader

u+2026 ISOpub

alert("\u2026");

&prime;

&#8242;

prime, a.k.a. minutes, a.k.a. feet

u+2032 ISOtech

alert("\u2032");

&Prime;

&#8243;

double prime, a.k.a. seconds, a.k.a. inches

u+2033 ISOtech

alert("\u2033");

&oline;

&#8254;

overline, a.k.a. spacing overscore

u+203E NEW

alert("\u203e");

&frasl;

&#8260;

fraction slash

u+2044 NEW

alert("\u8260");

Letterlike Symbols

&weierp;

&#8472;

script capital P, a.k.a. power set, a.k.a. Weierstrass   p

u+2118 ISOamso

alert("\u2118");

&image;

&#8465;

blackletter capital I, a.k.a. imaginary part

u+2111 ISOamso

alert("\u2111");

&real;

&#8476;

blackletter capital R, a.k.a. real part symbol

u+211C ISOamso

alert("\u211c");

&trade;

&#8482;

trade mark sign

u+2122 ISOnum

alert("\u2122");

&alefsym;

&#8501;

alef symbol, a.k.a. first transfinite cardinal
  alef symbol is NOT the same as hebrew letter alef
— u+05D0 although   the same glyph
  could be used to depict both characters

u+2135 NEW

alert("\u");

Arrows

&larr;

&#8592;

leftwards arrow

u+2190 ISOnum

alert("\u2190");

&uarr;

&#8593;

upwards arrow

u+2191 ISOnum

alert("\u2191");

&rarr;

&#8594;

rightwards arrow

u+2192 ISOnum

alert("\u2192");

&darr;

&#8595;

downwards arrow

u+2193 ISOnum

alert("\u2193");

&harr;

&#8596;

left right arrow

u+2194 ISOamsa

alert("\u2194");

&crarr;

&#8629;

downwards arrow with corner leftwards, a.k.a. carriage   return

u+21B5 NEW

alert("\u21b5");

&lArr;

&#8656;

leftwards double arrow
  can be used for
‘is implied by’

u+21D0 ISOtech

alert("\u21d0");

&uArr;

&#8657;

upwards double arrow

u+21D1 ISOamsa

alert("\u21d1");

&rArr;

&#8658;

rightwards double arrow

u+21D2 ISOtech

alert("\u21d2");

&dArr;

&#8659;

downwards double arrow

u+21D3 ISOamsa

alert("\ud1d3");

&hArr;

&#8660;

left right double arrow

u+21D4 ISOamsa

alert("\u21d4");

Mathematical Operators

&forall;

&#8704;

for all

u+2200 ISOtech

alert("\u2200");

&part;

&#8706;

partial differential

u+2202 ISOtech

alert("\u2202");

&exist;

&#8707;

there exists

u+2203 ISOtech

alert("\u2203");

&empty;

&#8709;

empty set, a.k.a. null set, a.k.a. diameter

u+2205 ISOamso

alert("\u2205");

&nabla;

&#8711;

nabla, a.k.a. backward difference

u+2207 ISOtech

alert("\u2207");

&isin;

&#8712;

element of

u+2208 ISOtech

alert("\u2208");

&notin;

&#8713;

not an element of

u+2209 ISOtech

alert("\u2209");

&ni ;

&#8715;

contains as member

u+220B ISOtech

alert("\u220b");

&prod;

&#8719;

n-ary product, a.k.a. product sign
  prod is NOT the same character as u+03A0
‘greek capital letter pi’ though the same
  glyph might be used for both

u+220F ISOamsb

alert("\u03a0");

&sum ;

&#8721;

n-ary sumation
  sum is NOT the same character as u+03A3
‘greek capital letter sigma’ though the same
  glyph might be used for both

u+2211 ISOamsb

alert("\u03a3");

&minus;

&#8722;

minus sign

u+2212 ISOtech

alert("\u2212");

&lowast;

&#8727;

asterisk operator

u+2217 ISOtech

alert("\u2217");

&radic;

&#8730;

square root, a.k.a. radical sign

u+221A ISOtech

alert("\u221a");

&prop;

&#8733;

proportional to

u+221D ISOtech

alert("\u221d");

&infin;

&#8734;

infinity

u+221E ISOtech

alert("\u221e");

&ang ;

&#8736;

angle

u+2220 ISOamso

alert("\u2220");

&and ;

&#8869;

logical and, a.k.a. wedge

u+2227 ISOtech

alert("\u2227");

&or ;

&#8870;

logical or, a.k.a. vee

u+2228 ISOtech

alert("\u2228");

&cap ;

&#8745;

intersection, a.k.a. cap

u+2229 ISOtech

alert("\u2229");

&cup ;

&#8746;

union, a.k.a. cup

u+222A ISOtech

alert("\u222a");

&int ;

&#8747;

integral

u+222B ISOtech

alert("\u222b");

&there4;

&#8756;

therefore

u+2234 ISOtech

alert("\u2234");

&sim ;

&#8764;

tilde operator, a.k.a. varies with, 
  similar to tilde operator, but is NOT the same character as the tilde   u+007E, 
  although the same glyph might be used to represent both

u+223C ISOtech

alert("\u223c");

&cong;

&#8773;

approximately equal to

u+2245 ISOtech

alert("\u2245");

&asymp;

&#8776;

almost equal to, a.k.a. asymptotic to

u+2248 ISOamsr

alert("\u2248");

&ne ;

&#8800;

not equal to

u+2260 ISOtech

alert("\u2260");

&equiv;

&#8801;

identical to

u+2261 ISOtech

alert("\u2261");

&le ;

&#8804;

less-than or equal to

u+2264 ISOtech

alert("\u2264");

&ge ;

&#8805;

greater-than or equal to

u+2265 ISOtech

alert("\u2265");

&sub ;

&#8834;

subset of

u+2282 ISOtech

alert("\u2282");

&sup ;

&#8835;

superset of
  note that nsup,
‘not a superset of u+2283′ is not covered   by the Symbol font
  encoding and is not included.

u+2283 ISOtech

alert("\u2283");

&nsub;

&#8836;

not a subset of

u+2284 ISOamsn

alert("\u2284");

&sube;

&#8838;

subset of or equal to

u+2286 ISOtech

alert("\u2286");

&supe;

&#8839;

superset of or equal to

u+2287 ISOtech

alert("\u2287");

&oplus;

&#8853;

circled plus, a.k.a. direct sum

u+2295 ISOamsb

alert("\u2295");

&otimes;

&#8855;

circled times, a.k.a. vector product

u+2297 ISOamsb

alert("\u2297");

&perp;

&#8869;

up tack, a.k.a. orthogonal to, a.k.a. perpendicular

u+22A5 ISOtech

alert("\u22a5");

&sdot;

&#8901;

dot operator
  dot operator is NOT the same character as u+00B7 middle dot

u+22C5 ISOamsb

alert("\u22c5");

Miscellaneous Technical

&lceil;

&#8968;

left ceiling, a.k.a. apl upstile

u+2308, ISOamsc

alert("\u2308");

&rceil;

&#8969;

right ceiling

u+2309, ISOamsc

alert("\u2309");

&lfloor;

&#8970;

left floor, a.k.a. apl downstile

u+230A, ISOamsc

alert("\u230a");

&rfloor;

&#8971;

right floor

u+230B, ISOamsc

alert("\u230b");

&lang;

&#9001;

left-pointing angle bracket, a.k.a. bra
  lang is NOT the same character as u+003C
‘less than’
  or u+2039 ’single left-pointing angle quotation mark’

u+2329 ISOtech

alert("\u2329");

&rang;

&#9002;

right-pointing angle bracket, a.k.a. ket
  rang is NOT the same character as u+003E
‘greater than’
  or u+203A ’single right-pointing angle quotation mark’

u+232A ISOtech

alert("\u232a");

Geometric Shapes

&loz ;

&#9674;

lozenge

u+25CA ISOpub

alert("\u25ca");

Miscellaneous Symbols

&spades;

&#9824;

black spade suit

u+2660 ISOpub

alert("\u2660");

&clubs;

&#9827;

black club suit, a.k.a. shamrock

u+2663 ISOpub

alert("\u2663");

&hearts;

&#9829;

black heart suit, a.k.a. valentine

u+2665 ISOpub

alert("\u2665");

&diams;

&#9830;

black diamond suit

u+2666 ISOpub

alert("\u2666");