HTML字符实体参考清单
- IT业界
- 2025-08-03 23:51:02
前言
一些字符在 HTML 中是预留的，拥有特殊的含义，比如小于号‘<’用于定义 HTML 标签的开始。如果我们希望浏览器正确地显示这些字符，我们必须在 HTML 源码中插入字符实体。
字符实体有三部分：一个和号‘&’和一个实体名称（或者一个‘#’ 和一个实体编号），以及一个分号‘;’。
要在 HTML 文档中显示小于号，我们需要这样写：< 或者‘<’最后的效果则是<。
使用实体名称而不是实体编号的好处在于，名称相对来说更容易记忆。而这么做的坏处是，并不是所有的浏览器都支持最新的实体名称，然而几乎所有的浏览器对实体编号的支持都很好。
注意：实体对大小写敏感。
一、HTML 特殊字符 HTML实体字符实体编号描述CSS (ISO)JS (Octal)"""引号\0022\42###数字符号\0023\43$$$美元符号\0024\44%%%百分号\0025\45&&&和号\0026\46'''撇号\0027\47(((左括号\0028\50)))右括号\0029\51***星号\002a\52+++加号\002b\53,,,逗号\002c\54−--连字符减号\002d\55...句号\002e\56///固相线\002f\57:::冒号\003a\72;;;分号\003b\73<<<少于\003c\74===等于\003d\75>>>大于号\003e\76???问号\003f\77@@@在标志处\0040\100[[[左方括号\005b\133\\\反斜杠\005c\134]]]右方括号\005d\135^^^抑扬顿挫\005e\136___低线\005f\137```重音\0060\u0060{{{左大括号\007b\173|||竖线\007c\174}}}右大括号\007d\175~~波浪号\007e\176 二、HTML 拉丁语 HTML实体字符实体编号描述CSS (ISO)JS (Octal)  no-break space\00a0\240¡¡¡inverted exclamation mark\00a1\241¢¢¢cent sign\00a2\242£££pound sterling sign\00a3\243¤¤¤general currency sign\00a4\244¥¥¥yen sign\00a5\245₹₹₹Indian Rupee (INR) sign\20B9\u20B9¦¦¦broken (vertical) bar\00a6\246§§§section sign\00a7\247¨¨¨umlaut (dieresis)\00a8\250©©©copyright sign\00a9\251ªªªordinal indicator, feminine\00aa\252«««angle quotation mark, left\00ab\253¬¬¬not sign\00ac\254­­soft hyphen\00ad\255®®®registered sign\00ae\256¯¯¯macron\00af\257°°°degree sign\00b0\260±±±plus-or-minus sign\00b1\261²²²superscript two\00b2\262³³³superscript three\00b3\263´´´acute accent\00b4\264µµµmicro sign\00b5\265¶¶¶pilcrow (paragraph sign)\00b6\266···middle dot\00b7\267¸¸¸cedilla\00b8\270¹¹¹superscript one\00b9\271ºººordinal indicator, masculine\00ba\272»»»angle quotation mark, right\00bb\273¼¼¼fraction one-quarter\00bc\274½½½fraction one-half\00bd\275¾¾¾fraction three-quarters\00be\276¿¿¿inverted question mark\00bf\277ÀÀÀcapital A, grave accent\00c0\300ÁÁÁcapital A, acute accent\00c1\301 ;capital A, circumflex accent\00c2\302ÃÃÃcapital A, tilde\00c3\303ÄÄÄcapital A, dieresis or umlaut mark\00c4\304ÅÅÅcapital A, ring\00c5\305ÆÆÆcapital AE diphthong (ligature)\00c6\306ÇÇÇcapital C, cedilla\00c7\307ÈÈÈcapital E, grave accent\00c8\310ÉÉÉcapital E, acute accent\00c9\311ÊÊÊcapital E, circumflex accent\00ca\312ËËËcapital E, dieresis or umlaut mark\00cb\313ÌÌÌcapital I, grave accent\00cc\314ÍÍÍcapital I, acute accent\00cd\315ÎÎÎcapital I, circumflex accent\00ce\316ÏÏÏcapital I, dieresis or umlaut mark\00cf\317ÐÐÐcapital Eth, Icelandic\00d0\320ÑÑÑcapital N, tilde\00d1\321ÒÒÒcapital O, grave accent\00d2\322ÓÓÓcapital O, acute accent\00d3\323ÔÔÔcapital O, circumflex accent\00d4\324ÕÕÕcapital O, tilde\00d5\325ÖÖÖcapital O, dieresis or umlaut mark\00d6\326×××multiply sign\00d7\327ØØØcapital O, slash\00d8\330ÙÙÙcapital U, grave accent\00d9\331ÚÚÚcapital U, acute accent\00da\332ÛÛÛcapital U, circumflex accent\00db\333ÜÜÜcapital U, dieresis or umlaut mark\00dc\334ÝÝÝcapital Y, acute accent\00dd\335ÞÞÞcapital THORN, Icelandic\00de\336ßßßsmall sharp s, German (sz ligature)\00df\337àààsmall a, grave accent\00e0\340ááásmall a, acute accent\00e1\341âââsmall a, circumflex accent\00e2\342ãããsmall a, tilde\00e3\343äääsmall a, dieresis or umlaut mark\00e4\344åååsmall a, ring\00e5\345æææsmall ae diphthong (ligature)\00e6\346çççsmall c, cedilla\00e7\347èèèsmall e, grave accent\00e8\350ééésmall e, acute accent\00e9\351êêêsmall e, circumflex accent\00ea\352ëëësmall e, dieresis or umlaut mark\00eb\353ìììsmall i, grave accent\00ec\354ííísmall i, acute accent\00ed\355îîîsmall i, circumflex accent\00ee\356ïïïsmall i, dieresis or umlaut mark\00ef\357ðððsmall eth, Icelandic\00f0\360ñññsmall n, tilde\00f1\361òòòsmall o, grave accent\00f2\362óóósmall o, acute accent\00f3\363ôôôsmall o, circumflex accent\00f4\364õõõsmall o, tilde\00f5\365ööösmall o, dieresis or umlaut mark\00f6\366÷÷÷divide sign\00f7\367øøøsmall o, slash\00f8\370ùùùsmall u, grave accent\00f9\371úúúsmall u, acute accent\00fa\372ûûûsmall u, circumflex accent\00fb\373üüüsmall u, dieresis or umlaut mark\00fc\374ýýýsmall y, acute accent\00fd\375þþþsmall thorn, Icelandic\00fe\376ÿÿÿsmall y, dieresis or umlaut mark\00ff\377ŒŒŒlatin capital ligature oe\0152\u0152œœœlatin small ligature oe\0153\u0153ŠŠŠlatin capital letter s with caron\0160\u0160šššlatin small letter s with caron\0161\u0161ŸŸŸlatin capital letter y with diaeresis\0178\u0178ƒƒƒlatin small f with hook\0192\u0192 三、HTML 希腊语 HTML实体字符实体编号描述CSS (ISO)JS (Octal)ΑΑΑgreek capital letter alpha\0391\u0391ΒΒΒgreek capital letter beta\0392\u0392ΓΓΓgreek capital letter gamma\0393\u0395ΔΔΔgreek capital letter delta\0394\u0394ΕΕΕgreek capital letter epsilon\0395\u0395ΖΖΖgreek capital letter zeta\0396\u0396ΗΗΗgreek capital letter eta\0397\u0397ΘΘΘgreek capital letter theta\0398\u0398ΙΙΙgreek capital letter iota\0399\u0399ΚΚΚgreek capital letter kappa\039a\u039aΛΛΛgreek capital letter lambda\039b\u039bΜΜΜgreek capital letter mu\039c\u039cΝΝΝgreek capital letter nu\039d\u039DΞΞΞgreek capital letter xi\039e\u039eΟΟΟgreek capital letter omicron\039f\u039fΠΠΠgreek capital letter pi\03a0\u03a0ΡΡΡgreek capital letter rho\03a1\u03a1ΣΣΣgreek capital letter sigma\03a3\u03A3ΤΤΤgreek capital letter tau\03a4\u03A4ΥΥΥgreek capital letter upsilon\03a5\u03A5ΦΦΦgreek capital letter phi\03a6\u03A6ΧΧΧgreek capital letter chi\03a7\u03A7ΨΨΨgreek capital letter psi\03a8\u03A8ΩΩΩgreek capital letter omega\03a9\u03A9αααgreek small letter alpha\03b1\u03b1βββgreek small letter beta\03b2\u03b2γγγgreek small letter gamma\03b3\u03b3δδδgreek small letter delta\03b4\u03b4εεεgreek small letter epsilon\03b5\u03b5ζζζgreek small letter zeta\03b6\u03b6ηηηgreek small letter eta\03b7\u03b7θθθgreek small letter theta\03b8\u03b8ιιιgreek small letter iota\03b9\u03b9κκκgreek small letter kappa\03ba\u03baλλλgreek small letter lambda\03bb\u03bbμμμgreek small letter mu\03bc\u03bcνννgreek small letter nu\03bd\u03bdξξξgreek small letter xi\03be\u03beοοοgreek small letter omicron\03bf\u03bfπππgreek small letter pi\03c0\u03c0ρρρgreek small letter rho\03c1\u03c1ςςςgreek small letter final sigma\03C2\u03c2σσσgreek small letter sigma\03C3\u03c3τττgreek small letter tau\03C4\u03c4υυυgreek small letter upsilon\03C5\u03c5φφφgreek small letter phi\03C6\03c6χχχgreek small letter chi\03C7\u03c7ψψψgreek small letter psi\03C8\u03c8ωωωgreek small letter omega\03C9\u03c9ϑϑϑgreek small letter theta symbol\03D1\u03D1ϒϒϒgreek upsilon with hook symbol\03D2\u03D2ϖϖϖgreek pi symbol\03D6\u03D6 四、HTML 标点符号 HTML实体字符实体编号描述CSS (ISO)JS (Octal)   en space\2002\u2002   em space\2003\u2003   thin space\2009\u2009‌‌zero width non-joiner\200C\u200C‍‍zero width joiner\200D\u200d‎‎left-to-right mark\200E\u200e‏‏right-to-left mark\200F\u200f–––en dash\2013\u2013———em dash\2014\u2014‘‘‘left single quotation mark\2018\u2018’’’right single quotation mark\2019\u2019‚‚‚single low-9 quotation mark\201A\u201a“““left double quotation mark\201C\u201c”””right double quotation mark\201D\u201d„„„double low-9 quotation mark\201E\u201e†††dagger\2020\u2020‡‡‡double dagger\2021\u2021‰‰‰per mille sign\2030\u2030‹‹‹single left-pointing angle quotation mark\2039\u2039›››single right-pointing angle quotation mark\203A\u203a•••bullet, aka. black small circle\2022\u2219………horizontal ellipsis, aka three dot leader\2026\u2026′′′prime, aka minutes, aka feet\2032\u2032″″″double prime, aka seconds, aka inches\2033\u2033‾‾‾overline, aka spacing overscore\203E\u203e⁄⁄⁄fraction slash\2044\u8260 五、HTML 箭头 HTML实体字符实体编号描述CSS (ISO)JS (Octal)←←←向左箭头\2190\u2190↑↑↑向上箭头\2191\u2191→→→向右箭头\2192\u2192↓↓↓向下箭头\2193\u2193↔↔↔左右双向箭头\2194\u2194↵↵↵回车箭头\21B5\u21b5⇐⇐⇐向左的双箭头\21D0\u21d0⇑⇑⇑向上的双箭头\21D1\u21d1⇒⇒⇒向右的双箭头\21D2\u21d2⇓⇓⇓向下的双箭头\21D3\ud1d3⇔⇔⇔左右双向的双箭头\21D4\u21d4◄◄向左的黑色实心箭头\25C0\u25c0►►向右的黑色实心箭头\25b6\u25b6▲▲向上的黑色实心箭头\25b2\25b2▼▼向下的黑色实心箭头\25bc\25bc 六、HTML 数学运算符 HTML实体字符实体编号描述CSS (ISO)JS (Octal)∀∀∀for all\2200\u2200∂∂∂partial differential\2202\u2202∃∃∃there exists\2203\u2203∅∅∅empty set, aka null set, aka diameter\2205\u2205∇∇∇nabla, aka bakad difference\2207\u2207∈∈∈element of\2208\u2208∉∉∉not an element of\2209\u2209∋∋∋contains as member\220B\u220b∏∏∏n-ary product, aka product sign\220F\u03a0∑∑∑n-ary sumation\2211\u03a3−−−minus sign\2212\u2212∗∗∗asterisk operator\2217\u2217√√√square root, aka radical sign\221A\u221a∝∝∝proportional to\221D\u221d∞∞∞infinity\221E\u221e∠∠∠angle\2220\u2220∧⊥⊥logical and, aka wedge\2227\u2227∨⊦⊦logical or, aka vee\2228\u2228∩∩∩intersection, aka cap\2229\u2229∪∪∪union, aka cup\222A\u222a∫∫∫integral\222B\u222b∴∴∴therefore\2234\u2234∼∼∼tilde\223C\u223c≅≅≅approximately equal to\2245\u2245≈≈≈almost equal to, aka asymptotic to\2248\u2248≠≠≠not equal to\2260\u2260≡≡≡identical to\2261\u2261≤≤≤less-than or equal to\2264\u2264≥≥≥greater-than or equal to\2265\u2265⊂⊂⊂subset of\2282\u2282⊃⊃⊃superset of\2283\u2283⊄⊄⊄not a subset of\2284\u2284⊆⊆⊆subset of or equal to\2286\u2286⊇⊇⊇superset of or equal to\2287\u2287⊕⊕⊕circled plus, aka direct sum\2295\u2295⊗⊗⊗circled times, aka vector product\2297\u2297⊥⊥⊥up tack\22A5\u22a5⋅⋅⋅dot operator\22C5\u22c5 七、HTML 其他 HTML实体字符实体编号描述CSS (ISO)JS (Octal)◊◊◊菱形\25CA\u25ca♠♠♠黑桃\2660\u2660♣♣♣梅花\2663\u2663♥♥♥黑心套装，又名情人节\2665\u2665♦♦♦方块\2666\u2666℘℘℘不知道怎么描述，看符号吧\2118\u2118ℑℑℑ不知道怎么描述，看符号吧\2111\u2111ℜℜℜ不知道怎么描述，看符号吧\211C\u211c™™™商标标志\2122\u2122ℵℵℵ不知道怎么描述，看符号吧\2135\uˆˆ向上的尖括号\02c6\u02c6˜˜小波浪\02dc\u02dc
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