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This file contains invisible Unicode characters

This file contains invisible Unicode characters that are indistinguishable to humans but may be processed differently by a computer. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

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HTML 字符实体备忘清单
===
此备忘清单是 HTML 实体及其编号和名称的完整列表。还包括可以用 HTML 表示的 ASCII 字符的完整列表。
HTML 字符实体引用
------
<!--rehype:body-class=cols-1-->
### HTML 特殊字符
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------------|--------------|--------------------------|-----------------|-------------------|---------------------|
| `&quot;` | " | `&#34;` | 引号 | u+0022 ISOnum | \\0022 | <a href='javascript:alert(&quot;\42&quot;)'>\42</a> |
| `&num;` | # | `&#35;` | 数字符号 | u+0023 ISOnum | \\0023 | <a href='javascript:alert(&quot;\43&quot;)'>\43</a> |
| `&dollar;` | $ | `&#36;` | 美元符号 | u+0024 ISOnum | \\0024 | <a href='javascript:alert(&quot;\44&quot;)'>\44</a> |
| `&percnt;` | % | `&#37;` | 百分号 | u+0025 ISOnum | \\0025 | <a href='javascript:alert(&quot;\45&quot;)'>\45</a> |
| `&amp;` | & | `&#38;` | 和号 | u+0026 ISOnum | \\0026 | <a href='javascript:alert(&quot;\46&quot;)'>\46</a> |
| `&apos;` | ' | `&#39;` | 撇号 | u+0027 ISOnum | \\0027 | <a href='javascript:alert(&quot;\47&quot;)'>\47</a> |
| `&lpar;` | ( | `&#40;` | 左括号 | u+0028 ISOnum | \\0028 | <a href='javascript:alert(&quot;\50&quot;)'>\50</a> |
| `&rpar;` | ) | `&#41;` | 右括号 | u+0029 ISOnum | \\0029 | <a href='javascript:alert(&quot;\51&quot;)'>\51</a> |
| `&ast;` | * | `&#42;` | 星号 | u+002A ISOnum | \\002a | <a href='javascript:alert(&quot;\52&quot;)'>\52</a> |
| `&plus;` | + | `&#43;` | 加号 | u+002B ISOnum | \\002b | <a href='javascript:alert(&quot;\53&quot;)'>\53</a> |
| `&comma;` | , | `&#44;` | 逗号 | u+002C ISOnum | \\002c | <a href='javascript:alert(&quot;\54&quot;)'>\54</a> |
| `&minus;` | - | `&#45;` | 连字符减号 | u+002D ISOnum | \\002d | <a href='javascript:alert(&quot;\55&quot;)'>\55</a> |
| `&period;` | . | `&#46;` | 句号 | u+002E ISOnum | \\002e | <a href='javascript:alert(&quot;\56&quot;)'>\56</a> |
| `&sol;` | / | `&#47;` | 固相线 | u+002F ISOnum | \\002f | <a href='javascript:alert(&quot;\57&quot;)'>\57</a> |
| `&colon;` | : | `&#58;` | 冒号 | u+003A ISOnum | \\003a | <a href='javascript:alert(&quot;\72&quot;)'>\72</a> |
| `&semi;` | ; | `&#59;` | 分号 | u+003B ISOnum | \\003b | <a href='javascript:alert(&quot;\73&quot;)'>\73</a> |
| `&lt;` | < | `&#60;` | 少于 | u+003C ISOnum | \\003c | <a href='javascript:alert(&quot;\74&quot;)'>\74</a> |
| `&equals;` | = | `&#61;` | 等于 | u+003D ISOnum | \\003d | <a href='javascript:alert(&quot;\75&quot;)'>\75</a> |
| `&gt;` | > | `&#62;` | 大于号 | u+003E ISOnum | \\003e | <a href='javascript:alert(&quot;\76&quot;)'>\76</a> |
| `&quest;` | ? | `&#63;` | 问号 | u+003F ISOnum | \\003f | <a href='javascript:alert(&quot;\77&quot;)'>\77</a> |
| `&commat;` | @ | `&#64;` | 在标志处 | u+0040 ISOnum | \\0040 | <a href='javascript:alert(&quot;\100&quot;)'>\100</a> |
| `&lsqb;` | [ | `&#91;` | 左方括号 | u+005B ISOnum | \\005b | <a href='javascript:alert(&quot;\133&quot;)'>\133</a> |
| `&bsol;` | \ | `&#92;` | 反斜杠 | u+005C ISOnum | \\005c | <a href='javascript:alert(&quot;\134&quot;)'>\134</a> |
| `&rsqb;` | ] | `&#93;` | 右方括号 | u+005D ISOnum | \\005d | <a href='javascript:alert(&quot;\135&quot;)'>\135</a> |
| `&Hat;` | ^ | `&#94;` | 抑扬顿挫 | u+005E ISOnum | \\005e | <a href='javascript:alert(&quot;\136&quot;)'>\136</a> |
| `&lowbar;` | _ | `&#95;` | 低线 | u+005F ISOnum | \\005f | <a href='javascript:alert(&quot;\137&quot;)'>\137</a> |
| `&grave;` | &#96; | `&#96;` | 重音 | u+0060 ISOnum | \\0060 | <a href='javascript:alert(&quot;\u0060&quot;)'>\u0060</a> |
| `&lcub;` | { | `&#123;` | 左大括号 | u+007b ISOnum | \\007b | <a href='javascript:alert(&quot;\173&quot;)'>\173</a> |
| `&verbar;` | \| | `&#124;` | 竖线 | u+007c ISOnum | \\007c | <a href='javascript:alert(&quot;\174&quot;)'>\174</a> |
| `&rcub;` | } | `&#125;` | 右大括号 | u+007d ISOnum | \\007d | <a href='javascript:alert(&quot;\175&quot;)'>\175</a> |
| | ~ | `&#126;` | 波浪号 | u+007e ISOnum | \\007e | <a href='javascript:alert(&quot;\176&quot;)'>\176</a> |
<!--rehype:className=show-header-->
### HTML 拉丁语
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|----------|----------------|---------------------------------------|----------|-----------|---------------------|
| `&nbsp;` | | `&#160;` | no-break space | %A0 | \\00a0 | <a href='javascript:alert(&quot;\240&quot;)'>\240</a> |
| `&iexcl;` | ¡ | `&#161;` | inverted exclamation mark | %A1 | \\00a1 | <a href='javascript:alert(&quot;\241&quot;)'>\241</a> |
| `&cent;` | ¢ | `&#162;` | cent sign | %A2 | \\00a2 | <a href='javascript:alert(&quot;\242&quot;)'>\242</a> |
| `&pound;` | £ | `&#163;` | pound sterling sign | %A3 | \\00a3 | <a href='javascript:alert(&quot;\243&quot;)'>\243</a> |
| `&curren;` | ¤ | `&#164;` | general currency sign | %A4 | \\00a4 | <a href='javascript:alert(&quot;\244&quot;)'>\244</a> |
| `&yen;` | ¥ | `&#165;` | yen sign | %A5 | \\00a5 | <a href='javascript:alert(&quot;\245&quot;)'>\245</a> |
| `&#x20B9;` | ₹ | `&#x20B9;` | Indian Rupee (INR) sign | U+20B9 | \\20B9 | <a href='javascript:alert(&quot;\u20B9&quot;)'>\u20B9</a> |
| `&brvbar;` | ¦ | `&#166;` | broken (vertical) bar | %A6 | \\00a6 | <a href='javascript:alert(&quot;\246&quot;)'>\246</a> |
| `&sect;` | § | `&#167;` | section sign | %A7 | \\00a7 | <a href='javascript:alert(&quot;\247&quot;)'>\247</a> |
| `&uml;` | ¨ | `&#168;` | umlaut (dieresis) | %A8 | \\00a8 | <a href='javascript:alert(&quot;\250&quot;)'>\250</a> |
| `&copy;` | © | `&#169;` | copyright sign | %A9 | \\00a9 | <a href='javascript:alert(&quot;\251&quot;)'>\251</a> |
| `&ordf;` | ª | `&#170;` | ordinal indicator, feminine | %AA | \\00aa | <a href='javascript:alert(&quot;\252&quot;)'>\252</a> |
| `&laquo;` | « | `&#171;` | angle quotation mark, left | %AB | \\00ab | <a href='javascript:alert(&quot;\253&quot;)'>\253</a> |
| `&not;` | ¬ | `&#172;` | not sign | %AC | \\00ac | <a href='javascript:alert(&quot;\254&quot;)'>\254</a> |
| `&shy;` | ­ | `&#173;` | soft hyphen | %AD | \\00ad | <a href='javascript:alert(&quot;\255&quot;)'>\255</a> |
| `&reg;` | ® | `&#174;` | registered sign | %AE | \\00ae | <a href='javascript:alert(&quot;\256&quot;)'>\256</a> |
| `&macr;` | ¯ | `&#175;` | macron | %AF | \\00af | <a href='javascript:alert(&quot;\257&quot;)'>\257</a> |
| `&deg;` | ° | `&#176;` | degree sign | %B0 | \\00b0 | <a href='javascript:alert(&quot;\260&quot;)'>\260</a> |
| `&plusmn;` | ± | `&#177;` | plus-or-minus sign | %B1 | \\00b1 | <a href='javascript:alert(&quot;\261&quot;)'>\261</a> |
| `&sup2;` | ² | `&#178;` | superscript two | %B2 | \\00b2 | <a href='javascript:alert(&quot;\262&quot;)'>\262</a> |
| `&sup3;` | ³ | `&#179;` | superscript three | %B3 | \\00b3 | <a href='javascript:alert(&quot;\263&quot;)'>\263</a> |
| `&acute;` | ´ | `&#180;` | acute accent | %B4 | \\00b4 | <a href='javascript:alert(&quot;\264&quot;)'>\264</a> |
| `&micro;` | µ | `&#181;` | micro sign | %B5 | \\00b5 | <a href='javascript:alert(&quot;\265&quot;)'>\265</a> |
| `&para;` | ¶ | `&#182;` | pilcrow (paragraph sign) | %B6 | \\00b6 | <a href='javascript:alert(&quot;\266&quot;)'>\266</a> |
| `&middot;` | · | `&#183;` | middle dot | %B7 | \\00b7 | <a href='javascript:alert(&quot;\267&quot;)'>\267</a> |
| `&cedil;` | ¸ | `&#184;` | cedilla | %B8 | \\00b8 | <a href='javascript:alert(&quot;\270&quot;)'>\270</a> |
| `&sup1;` | ¹ | `&#185;` | superscript one | %B9 | \\00b9 | <a href='javascript:alert(&quot;\271&quot;)'>\271</a> |
| `&ordm;` | º | `&#186;` | ordinal indicator, masculine | %BA | \\00ba | <a href='javascript:alert(&quot;\272&quot;)'>\272</a> |
| `&raquo;` | » | `&#187;` | angle quotation mark, right | %BB | \\00bb | <a href='javascript:alert(&quot;\273&quot;)'>\273</a> |
| `&frac14;` | ¼ | `&#188;` | fraction one-quarter | %BC | \\00bc | <a href='javascript:alert(&quot;\274&quot;)'>\274</a> |
| `&frac12;` | ½ | `&#189;` | fraction one-half | %BD | \\00bd | <a href='javascript:alert(&quot;\275&quot;)'>\275</a> |
| `&frac34;` | ¾ | `&#190;` | fraction three-quarters | %BE | \\00be | <a href='javascript:alert(&quot;\276&quot;)'>\276</a> |
| `&iquest;` | ¿ | `&#191;` | inverted question mark | %BF | \\00bf | <a href='javascript:alert(&quot;\277&quot;)'>\277</a> |
| `&Agrave;` | À | `&#192;` | capital A, grave accent | %C0 | \\00c0 | <a href='javascript:alert(&quot;\300&quot;)'>\300</a> |
| `&Aacute;` | Á | `&#193;` | capital A, acute accent | %C1 | \\00c1 | <a href='javascript:alert(&quot;\301&quot;)'>\301</a> |
| `&Acirc;` | Â | `&#194 ;` | capital A, circumflex accent | %C2 | \\00c2 | <a href='javascript:alert(&quot;\302&quot;)'>\302</a> |
| `&Atilde;` | Ã | `&#195;` | capital A, tilde | %C3 | \\00c3 | <a href='javascript:alert(&quot;\303&quot;)'>\303</a> |
| `&Auml;` | Ä | `&#196;` | capital A, dieresis or umlaut mark | %C4 | \\00c4 | <a href='javascript:alert(&quot;\304&quot;)'>\304</a> |
| `&Aring;` | Å | `&#197;` | capital A, ring | %C5 | \\00c5 | <a href='javascript:alert(&quot;\305&quot;)'>\305</a> |
| `&AElig;` | Æ | `&#198;` | capital AE diphthong (ligature) | %C6 | \\00c6 | <a href='javascript:alert(&quot;\306&quot;)'>\306</a> |
| `&Ccedil;` | Ç | `&#199;` | capital C, cedilla | %C7 | \\00c7 | <a href='javascript:alert(&quot;\307&quot;)'>\307</a> |
| `&Egrave;` | È | `&#200;` | capital E, grave accent | %C8 | \\00c8 | <a href='javascript:alert(&quot;\310&quot;)'>\310</a> |
| `&Eacute;` | É | `&#201;` | capital E, acute accent | %C9 | \\00c9 | <a href='javascript:alert(&quot;\311&quot;)'>\311</a> |
| `&Ecirc;` | Ê | `&#202;` | capital E, circumflex accent | %CA | \\00ca | <a href='javascript:alert(&quot;\312&quot;)'>\312</a> |
| `&Euml;` | Ë | `&#203;` | capital E, dieresis or umlaut mark | %CB | \\00cb | <a href='javascript:alert(&quot;\313&quot;)'>\313</a> |
| `&Igrave;` | Ì | `&#204;` | capital I, grave accent | %CC | \\00cc | <a href='javascript:alert(&quot;\314&quot;)'>\314</a> |
| `&Iacute;` | Í | `&#205;` | capital I, acute accent | %CD | \\00cd | <a href='javascript:alert(&quot;\315&quot;)'>\315</a> |
| `&Icirc;` | Î | `&#206;` | capital I, circumflex accent | %CE | \\00ce | <a href='javascript:alert(&quot;\316&quot;)'>\316</a> |
| `&Iuml;` | Ï | `&#207;` | capital I, dieresis or umlaut mark | %CF | \\00cf | <a href='javascript:alert(&quot;\317&quot;)'>\317</a> |
| `&ETH;` | Ð | `&#208;` | capital Eth, Icelandic | %D0 | \\00d0 | <a href='javascript:alert(&quot;\320&quot;)'>\320</a> |
| `&Ntilde;` | Ñ | `&#209;` | capital N, tilde | %D1 | \\00d1 | <a href='javascript:alert(&quot;\321&quot;)'>\321</a> |
| `&Ograve;` | Ò | `&#210;` | capital O, grave accent | %D2 | \\00d2 | <a href='javascript:alert(&quot;\322&quot;)'>\322</a> |
| `&Oacute;` | Ó | `&#211;` | capital O, acute accent | %D3 | \\00d3 | <a href='javascript:alert(&quot;\323&quot;)'>\323</a> |
| `&Ocirc;` | Ô | `&#212;` | capital O, circumflex accent | %D4 | \\00d4 | <a href='javascript:alert(&quot;\324&quot;)'>\324</a> |
| `&Otilde;` | Õ | `&#213;` | capital O, tilde | %D5 | \\00d5 | <a href='javascript:alert(&quot;\325&quot;)'>\325</a> |
| `&Ouml;` | Ö | `&#214;` | capital O, dieresis or umlaut mark | %D6 | \\00d6 | <a href='javascript:alert(&quot;\326&quot;)'>\326</a> |
| `&times;` | × | `&#215;` | multiply sign | %D7 | \\00d7 | <a href='javascript:alert(&quot;\327&quot;)'>\327</a> |
| `&Oslash;` | Ø | `&#216;` | capital O, slash | %D8 | \\00d8 | <a href='javascript:alert(&quot;\330&quot;)'>\330</a> |
| `&Ugrave;` | Ù | `&#217;` | capital U, grave accent | %D9 | \\00d9 | <a href='javascript:alert(&quot;\331&quot;)'>\331</a> |
| `&Uacute;` | Ú | `&#218;` | capital U, acute accent | %DA | \\00da | <a href='javascript:alert(&quot;\332&quot;)'>\332</a> |
| `&Ucirc;` | Û | `&#219;` | capital U, circumflex accent | %DB | \\00db | <a href='javascript:alert(&quot;\333&quot;)'>\333</a> |
| `&Uuml;` | Ü | `&#220;` | capital U, dieresis or umlaut mark | %DC | \\00dc | <a href='javascript:alert(&quot;\334&quot;)'>\334</a> |
| `&Yacute;` | Ý | `&#221;` | capital Y, acute accent | %DD | \\00dd | <a href='javascript:alert(&quot;\335&quot;)'>\335</a> |
| `&THORN;` | Þ | `&#222;` | capital THORN, Icelandic | %DE | \\00de | <a href='javascript:alert(&quot;\336&quot;)'>\336</a> |
| `&szlig;` | ß | `&#223;` | small sharp s, German (sz ligature) | %DF | \\00df | <a href='javascript:alert(&quot;\337&quot;)'>\337</a> |
| `&agrave;` | à | `&#224;` | small a, grave accent | %E0 | \\00e0 | <a href='javascript:alert(&quot;\340&quot;)'>\340</a> |
| `&aacute;` | á | `&#225;` | small a, acute accent | %E1 | \\00e1 | <a href='javascript:alert(&quot;\341&quot;)'>\341</a> |
| `&acirc;` | â | `&#226;` | small a, circumflex accent | %E2 | \\00e2 | <a href='javascript:alert(&quot;\342&quot;)'>\342</a> |
| `&atilde;` | ã | `&#227;` | small a, tilde | %E3 | \\00e3 | <a href='javascript:alert(&quot;\343&quot;)'>\343</a> |
| `&auml;` | ä | `&#228;` | small a, dieresis or umlaut mark | %E4 | \\00e4 | <a href='javascript:alert(&quot;\344&quot;)'>\344</a> |
| `&aring;` | å | `&#229;` | small a, ring | %E5 | \\00e5 | <a href='javascript:alert(&quot;\345&quot;)'>\345</a> |
| `&aelig;` | æ | `&#230;` | small ae diphthong (ligature) | %E6 | \\00e6 | <a href='javascript:alert(&quot;\346&quot;)'>\346</a> |
| `&ccedil;` | ç | `&#231;` | small c, cedilla | %E7 | \\00e7 | <a href='javascript:alert(&quot;\347&quot;)'>\347</a> |
| `&egrave;` | è | `&#232;` | small e, grave accent | %E8 | \\00e8 | <a href='javascript:alert(&quot;\350&quot;)'>\350</a> |
| `&eacute;` | é | `&#233;` | small e, acute accent | %E9 | \\00e9 | <a href='javascript:alert(&quot;\351&quot;)'>\351</a> |
| `&ecirc;` | ê | `&#234;` | small e, circumflex accent | %EA | \\00ea | <a href='javascript:alert(&quot;\352&quot;)'>\352</a> |
| `&euml;` | ë | `&#235;` | small e, dieresis or umlaut mark | %EB | \\00eb | <a href='javascript:alert(&quot;\353&quot;)'>\353</a> |
| `&igrave;` | ì | `&#236;` | small i, grave accent | %EC | \\00ec | <a href='javascript:alert(&quot;\354&quot;)'>\354</a> |
| `&iacute;` | í | `&#237;` | small i, acute accent | %ED | \\00ed | <a href='javascript:alert(&quot;\355&quot;)'>\355</a> |
| `&icirc;` | î | `&#238;` | small i, circumflex accent | %EE | \\00ee | <a href='javascript:alert(&quot;\356&quot;)'>\356</a> |
| `&iuml;` | ï | `&#239;` | small i, dieresis or umlaut mark | %EF | \\00ef | <a href='javascript:alert(&quot;\357&quot;)'>\357</a> |
| `&eth;` | ð | `&#240;` | small eth, Icelandic | %F0 | \\00f0 | <a href='javascript:alert(&quot;\360&quot;)'>\360</a> |
| `&ntilde;` | ñ | `&#241;` | small n, tilde | %F1 | \\00f1 | <a href='javascript:alert(&quot;\361&quot;)'>\361</a> |
| `&ograve;` | ò | `&#242;` | small o, grave accent | %F2 | \\00f2 | <a href='javascript:alert(&quot;\362&quot;)'>\362</a> |
| `&oacute;` | ó | `&#243;` | small o, acute accent | %F3 | \\00f3 | <a href='javascript:alert(&quot;\363&quot;)'>\363</a> |
| `&ocirc;` | ô | `&#244;` | small o, circumflex accent | %F4 | \\00f4 | <a href='javascript:alert(&quot;\364&quot;)'>\364</a> |
| `&otilde;` | õ | `&#245;` | small o, tilde | %F5 | \\00f5 | <a href='javascript:alert(&quot;\365&quot;)'>\365</a> |
| `&ouml;` | ö | `&#246;` | small o, dieresis or umlaut mark | %F6 | \\00f6 | <a href='javascript:alert(&quot;\366&quot;)'>\366</a> |
| `&divide;` | ÷ | `&#247;` | divide sign | %F7 | \\00f7 | <a href='javascript:alert(&quot;\367&quot;)'>\367</a> |
| `&oslash;` | ø | `&#248;` | small o, slash | %F8 | \\00f8 | <a href='javascript:alert(&quot;\370&quot;)'>\370</a> |
| `&ugrave;` | ù | `&#249;` | small u, grave accent | %F9 | \\00f9 | <a href='javascript:alert(&quot;\371&quot;)'>\371</a> |
| `&uacute;` | ú | `&#250;` | small u, acute accent | %FA | \\00fa | <a href='javascript:alert(&quot;\372&quot;)'>\372</a> |
| `&ucirc;` | û | `&#251;` | small u, circumflex accent | %FB | \\00fb | <a href='javascript:alert(&quot;\373&quot;)'>\373</a> |
| `&uuml;` | ü | `&#252;` | small u, dieresis or umlaut mark | %FC | \\00fc | <a href='javascript:alert(&quot;\374&quot;)'>\374</a> |
| `&yacute;` | ý | `&#253;` | small y, acute accent | %FD | \\00fd | <a href='javascript:alert(&quot;\375&quot;)'>\375</a> |
| `&thorn;` | þ | `&#254;` | small thorn, Icelandic | %FE | \\00fe | <a href='javascript:alert(&quot;\376&quot;)'>\376</a> |
| `&yuml;` | ÿ | `&#255;` | small y, dieresis or umlaut mark | %FF | \\00ff | <a href='javascript:alert(&quot;\377&quot;)'>\377</a> |
<!--rehype:className=show-header-->
### HTML 拉丁文扩展
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------|--------------|-----------------------------------------|------------------|-----------|---------------------|
| `&OElig;` | Œ | `&#338;` | latin capital ligature oe | u+0152 ISOlat2 | \\0152 | <a href='javascript:alert(&quot;\u0152&quot;)'>\u0152</a> |
| `&oelig;` | œ | `&#339;` | latin small ligature oe | u+0153 ISOlat2 | \\0153 | <a href='javascript:alert(&quot;\u0153&quot;)'>\u0153</a> |
| `&Scaron;` | Š | `&#352;` | latin capital letter s with caron | u+0160 ISOlat2 | \\0160 | <a href='javascript:alert(&quot;\u0160&quot;)'>\u0160</a> |
| `&scaron;` | š | `&#353;` | latin small letter s with caron | u+0161 ISOlat2 | \\0161 | <a href='javascript:alert(&quot;\u0161&quot;)'>\u0161</a> |
| `&Yuml;` | Ÿ | `&#376;` | latin capital letter y with diaeresis | u+0178 ISOlat2 | \\0178 | <a href='javascript:alert(&quot;\u0178&quot;)'>\u0178</a> |
| `&fnof;` | ƒ | `&#402;` | latin small f with hook | u+0192 ISOtech | \\0192 | <a href='javascript:alert(&quot;\u0192&quot;)'>\u0192</a> |
<!--rehype:className=show-header-->
### HTML 间距修饰符字母
| HTML | Symbol | Numeric | Description | Hex | CSS (ISO) | JS (Octal) |
|---------------|--------|-------------------------------------|-----------------|---------|---------------------|------------|
| `&circ;` | ˆ | | modifier letter circumflex accent | u+02C6 ISOpub | \\02c6 | <a href='javascript:alert(&quot;\u02c6&quot;)'>\u02c6</a> |
| `&tilde;` | ˜ | | small tilde | u+02DC ISOdia | \\02dc | <a href='javascript:alert(&quot;\u02dc&quot;)'>\u02dc</a> |
<!--rehype:className=show-header-->
### HTML 希腊语
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|------------------|--------|--------------|-----------------------------------|------------------|-----------|---------------------|
| `&Alpha;` | Α | `&#913;` | greek capital letter alpha | u+0391 | \\0391 | <a href='javascript:alert(&quot;\u0391&quot;)'>\u0391</a> |
| `&Beta;` | Β | `&#914;` | greek capital letter beta | u+0392 | \\0392 | <a href='javascript:alert(&quot;\u0392&quot;)'>\u0392</a> |
| `&Gamma;` | Γ | `&#915;` | greek capital letter gamma | u+0393 ISOgrk3 | \\0393 | <a href='javascript:alert(&quot;\u0395&quot;)'>\u0395</a> |
| `&Delta;` | Δ | `&#916;` | greek capital letter delta | u+0394 ISOgrk3 | \\0394 | <a href='javascript:alert(&quot;\u0394&quot;)'>\u0394</a> |
| `&Epsilon;` | Ε | `&#917;` | greek capital letter epsilon | u+0395 | \\0395 | <a href='javascript:alert(&quot;\u0395&quot;)'>\u0395</a> |
| `&Zeta;` | Ζ | `&#918;` | greek capital letter zeta | u+0396 | \\0396 | <a href='javascript:alert(&quot;\u0396&quot;)'>\u0396</a> |
| `&Eta;` | Η | `&#919;` | greek capital letter eta | u+0397 | \\0397 | <a href='javascript:alert(&quot;\u0397&quot;)'>\u0397</a> |
| `&Theta;` | Θ | `&#920;` | greek capital letter theta | u+0398 ISOgrk3 | \\0398 | <a href='javascript:alert(&quot;\u0398&quot;)'>\u0398</a> |
| `&Iota;` | Ι | `&#921;` | greek capital letter iota | u+0399 | \\0399 | <a href='javascript:alert(&quot;\u0399&quot;)'>\u0399</a> |
| `&Kappa;` | Κ | `&#922;` | greek capital letter kappa | u+039A | \\039a | <a href='javascript:alert(&quot;\u039a&quot;)'>\u039a</a> |
| `&Lambda;` | Λ | `&#923;` | greek capital letter lambda | u+039B ISOgrk3 | \\039b | <a href='javascript:alert(&quot;\u039b&quot;)'>\u039b</a> |
| `&Mu;` | Μ | `&#924;` | greek capital letter mu | u+039C | \\039c | <a href='javascript:alert(&quot;\u039c&quot;)'>\u039c</a> |
| `&Nu;` | Ν | `&#925;` | greek capital letter nu | u+039D | \\039d | <a href='javascript:alert(&quot;\u039D&quot;)'>\u039D</a> |
| `&Xi;` | Ξ | `&#926;` | greek capital letter xi | u+039E ISOgrk3 | \\039e | <a href='javascript:alert(&quot;\u039e&quot;)'>\u039e</a> |
| `&Omicron;` | Ο | `&#927;` | greek capital letter omicron | u+039F | \\039f | <a href='javascript:alert(&quot;\u039f&quot;)'>\u039f</a> |
| `&Pi;` | Π | `&#928;` | greek capital letter pi | u+03A0 ISOgrk3 | \\03a0 | <a href='javascript:alert(&quot;\u03a0&quot;)'>\u03a0</a> |
| `&Rho;` | Ρ | `&#929;` | greek capital letter rho | u+03A1 | \\03a1 | <a href='javascript:alert(&quot;\u03a1&quot;)'>\u03a1</a> |
| `&Sigma;` | Σ | `&#931;` | greek capital letter sigma | u+03A3 ISOgrk3 | \\03a3 | <a href='javascript:alert(&quot;\u03A3&quot;)'>\u03A3</a> |
| `&Tau;` | Τ | `&#932;` | greek capital letter tau | u+03A4 | \\03a4 | <a href='javascript:alert(&quot;\u03A4&quot;)'>\u03A4</a> |
| `&Upsilon;` | Υ | `&#933;` | greek capital letter upsilon | u+03A5 ISOgrk3 | \\03a5 | <a href='javascript:alert(&quot;\u03A5&quot;)'>\u03A5</a> |
| `&Phi;` | Φ | `&#934;` | greek capital letter phi | u+03A6 ISOgrk3 | \\03a6 | <a href='javascript:alert(&quot;\u03A6&quot;)'>\u03A6</a> |
| `&Chi;` | Χ | `&#935;` | greek capital letter chi | u+03A7 | \\03a7 | <a href='javascript:alert(&quot;\u03A7&quot;)'>\u03A7</a> |
| `&Psi;` | Ψ | `&#936;` | greek capital letter psi | u+03A8 ISOgrk3 | \\03a8 | <a href='javascript:alert(&quot;\u03A8&quot;)'>\u03A8</a> |
| `&Omega;` | Ω | `&#937;` | greek capital letter omega | u+03A9 ISOgrk3 | \\03a9 | <a href='javascript:alert(&quot;\u03A9&quot;)'>\u03A9</a> |
| `&alpha;` | α | `&#945;` | greek small letter alpha | u+03B1 ISOgrk3 | \\03b1 | <a href='javascript:alert(&quot;\u03b1&quot;)'>\u03b1</a> |
| `&beta;` | β | `&#946;` | greek small letter beta | u+03B2 ISOgrk3 | \\03b2 | <a href='javascript:alert(&quot;\u03b2&quot;)'>\u03b2</a> |
| `&gamma;` | γ | `&#947;` | greek small letter gamma | u+03B3 ISOgrk3 | \\03b3 | <a href='javascript:alert(&quot;\u03b3&quot;)'>\u03b3</a> |
| `&delta;` | δ | `&#948;` | greek small letter delta | u+03B4 ISOgrk3 | \\03b4 | <a href='javascript:alert(&quot;\u03b4&quot;)'>\u03b4</a> |
| `&epsilon;` | ε | `&#949;` | greek small letter epsilon | u+03B5 ISOgrk3 | \\03b5 | <a href='javascript:alert(&quot;\u03b5&quot;)'>\u03b5</a> |
| `&zeta;` | ζ | `&#950;` | greek small letter zeta | u+03B6 ISOgrk3 | \\03b6 | <a href='javascript:alert(&quot;\u03b6&quot;)'>\u03b6</a> |
| `&eta;` | η | `&#951;` | greek small letter eta | u+03B7 ISOgrk3 | \\03b7 | <a href='javascript:alert(&quot;\u03b7&quot;)'>\u03b7</a> |
| `&theta;` | θ | `&#952;` | greek small letter theta | u+03B8 ISOgrk3 | \\03b8 | <a href='javascript:alert(&quot;\u03b8&quot;)'>\u03b8</a> |
| `&iota;` | ι | `&#953;` | greek small letter iota | u+03B9 ISOgrk3 | \\03b9 | <a href='javascript:alert(&quot;\u03b9&quot;)'>\u03b9</a> |
| `&kappa;` | κ | `&#954;` | greek small letter kappa | u+03BA ISOgrk3 | \\03ba | <a href='javascript:alert(&quot;\u03ba&quot;)'>\u03ba</a> |
| `&lambda;` | λ | `&#955;` | greek small letter lambda | u+03BB ISOgrk3 | \\03bb | <a href='javascript:alert(&quot;\u03bb&quot;)'>\u03bb</a> |
| `&mu;` | μ | `&#956;` | greek small letter mu | u+03BC ISOgrk3 | \\03bc | <a href='javascript:alert(&quot;\u03bc&quot;)'>\u03bc</a> |
| `&nu;` | ν | `&#957;` | greek small letter nu | u+03BD ISOgrk3 | \\03bd | <a href='javascript:alert(&quot;\u03bd&quot;)'>\u03bd</a> |
| `&xi;` | ξ | `&#958;` | greek small letter xi | u+03BE ISOgrk3 | \\03be | <a href='javascript:alert(&quot;\u03be&quot;)'>\u03be</a> |
| `&omicron;` | ο | `&#959;` | greek small letter omicron | u+03BF NEW | \\03bf | <a href='javascript:alert(&quot;\u03bf&quot;)'>\u03bf</a> |
| `&pi;` | π | `&#960;` | greek small letter pi | u+03C0 ISOgrk3 | \\03c0 | <a href='javascript:alert(&quot;\u03c0&quot;)'>\u03c0</a> |
| `&rho;` | ρ | `&#961;` | greek small letter rho | u+03C1 ISOgrk3 | \\03c1 | <a href='javascript:alert(&quot;\u03c1&quot;)'>\u03c1</a> |
| `&sigmaf;` | ς | `&#962;` | greek small letter final sigma | u+03C2 ISOgrk3 | \\03C2 | <a href='javascript:alert(&quot;\u03c2&quot;)'>\u03c2</a> |
| `&sigma;` | σ | `&#963;` | greek small letter sigma | u+03C3 ISOgrk3 | \\03C3 | <a href='javascript:alert(&quot;\u03c3&quot;)'>\u03c3</a> |
| `&tau;` | τ | `&#964;` | greek small letter tau | u+03C4 ISOgrk3 | \\03C4 | <a href='javascript:alert(&quot;\u03c4&quot;)'>\u03c4</a> |
| `&upsilon;` | υ | `&#965;` | greek small letter upsilon | u+03C5 ISOgrk3 | \\03C5 | <a href='javascript:alert(&quot;\u03c5&quot;)'>\u03c5</a> |
| `&phi;` | φ | `&#966;` | greek small letter phi | u+03C6 ISOgrk3 | \\03C6 | <a href='javascript:alert(&quot;\03c6&quot;)'>\03c6</a> |
| `&chi;` | χ | `&#967;` | greek small letter chi | u+03C7 ISOgrk3 | \\03C7 | <a href='javascript:alert(&quot;\u03c7&quot;)'>\u03c7</a> |
| `&psi;` | ψ | `&#968;` | greek small letter psi | u+03C8 ISOgrk3 | \\03C8 | <a href='javascript:alert(&quot;\u03c8&quot;)'>\u03c8</a> |
| `&omega;` | ω | `&#969;` | greek small letter omega | u+03C9 ISOgrk3 | \\03C9 | <a href='javascript:alert(&quot;\u03c9&quot;)'>\u03c9</a> |
| `&thetasym;` | ϑ | `&#977;` | greek small letter theta symbol | u+03D1 NEW | \\03D1 | <a href='javascript:alert(&quot;\u03D1&quot;)'>\u03D1</a> |
| `&upsih;` | ϒ | `&#978;` | greek upsilon with hook symbol | u+03D2 NEW | \\03D2 | <a href='javascript:alert(&quot;\u03D2&quot;)'>\u03D2</a> |
| `&piv;` | ϖ | `&#982;` | greek pi symbol | u+03D6 ISOgrk3 | \\03D6 | <a href='javascript:alert(&quot;\u03D6&quot;)'>\u03D6</a> |
<!--rehype:className=show-header-->
### HTML Punctuation
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------|---------------|-------------------------------------------|-----------------------|-----------|---------------------|
| `&ensp;` | | `&#8194;` | en space | u+2002 ISOpub | \\2002 | <a href='javascript:alert(&quot;\u2002&quot;)'>\u2002</a> |
| `&emsp;` | | `&#8195;` | em space | u+2003 ISOpub | \\2003 | <a href='javascript:alert(&quot;\u2003&quot;)'>\u2003</a> |
| `&thinsp;` | | `&#8201;` | thin space | u+2009 ISOpub | \\2009 | <a href='javascript:alert(&quot;\u2009&quot;)'>\u2009</a> |
| `&zwnj;` | | `&#8204;` | zero width non-joiner | u+200C NEW RFC 2070 | \\200C | <a href='javascript:alert(&quot;\u200C&quot;)'>\u200C</a> |
| `&zwj;` | | `&#8205;` | zero width joiner | u+200D NEW RFC 2070 | \\200D | <a href='javascript:alert(&quot;\u200d&quot;)'>\u200d</a> |
| `&lrm;` | | `&#8206;` | left-to-right mark | u+200E NEW RFC 2070 | \\200E | <a href='javascript:alert(&quot;\u200e&quot;)'>\u200e</a> |
| `&rlm;` | | `&#8207;` | right-to-left mark | u+200F NEW RFC 2070 | \\200F | <a href='javascript:alert(&quot;\u200f&quot;)'>\u200f</a> |
| `&ndash;` | | `&#8211;` | en dash | u+2013 ISOpub | \\2013 | <a href='javascript:alert(&quot;\u2013&quot;)'>\u2013</a> |
| `&mdash;` | — | `&#8212;` | em dash | u+2014 ISOpub | \\2014 | <a href='javascript:alert(&quot;\u2014&quot;)'>\u2014</a> |
| `&lsquo;` | | `&#8216;` | left single quotation mark | u+2018 ISOnum | \\2018 | <a href='javascript:alert(&quot;\u2018&quot;)'>\u2018</a> |
| `&rsquo;` | | `&#8217;` | right single quotation mark | u+2019 ISOnum | \\2019 | <a href='javascript:alert(&quot;\u2019&quot;)'>\u2019</a> |
| `&sbquo;` | | `&#8218;` | single low-9 quotation mark | u+201A NEW | \\201A | <a href='javascript:alert(&quot;\u201a&quot;)'>\u201a</a> |
| `&ldquo;` | “ | `&#8220;` | left double quotation mark | u+201C ISOnum | \\201C | <a href='javascript:alert(&quot;\u201c&quot;)'>\u201c</a> |
| `&rdquo;` | ” | `&#8221;` | right double quotation mark | u+201D ISOnum | \\201D | <a href='javascript:alert(&quot;\u201d&quot;)'>\u201d</a> |
| `&bdquo;` | „ | `&#8222;` | double low-9 quotation mark | u+201E NEW | \\201E | <a href='javascript:alert(&quot;\u201e&quot;)'>\u201e</a> |
| `&dagger;` | † | `&#8224;` | dagger | u+2020 ISOpub | \\2020 | <a href='javascript:alert(&quot;\u2020&quot;)'>\u2020</a> |
| `&Dagger;` | ‡ | `&#8225;` | double dagger | u+2021 ISOpub | \\2021 | <a href='javascript:alert(&quot;\u2021&quot;)'>\u2021</a> |
| `&permil;` | ‰ | `&#8240;` | per mille sign | u+2030 ISOtech | \\2030 | <a href='javascript:alert(&quot;\u2030&quot;)'>\u2030</a> |
| `&lsaquo;` | | `&#8249;` | single left-pointing angle quotation mark | u+2039 ISO proposed | \\2039 | <a href='javascript:alert(&quot;\u2039&quot;)'>\u2039</a> |
| `&rsaquo;` | | `&#8250;` | single right-pointing angle quotation mark | u+203A ISO proposed | \\203A | <a href='javascript:alert(&quot;\u203a&quot;)'>\u203a</a> |
| `&bull;` | • | `&#8226;` | bullet, aka. black small circle | u+2022 ISOpub | \\2022 | <a href='javascript:alert(&quot;\u2219&quot;)'>\u2219</a> |
| `&hellip;` | … | `&#8230;` | horizontal ellipsis, aka three dot leader | u+2026 ISOpub | \\2026 | <a href='javascript:alert(&quot;\u2026&quot;)'>\u2026</a> |
| `&prime;` | | `&#8242;` | prime, aka minutes, aka feet | u+2032 ISOtech | \\2032 | <a href='javascript:alert(&quot;\u2032&quot;)'>\u2032</a> |
| `&Prime;` | ″ | `&#8243;` | double prime, aka seconds, aka inches | u+2033 ISOtech | \\2033 | <a href='javascript:alert(&quot;\u2033&quot;)'>\u2033</a> |
| `&oline;` | ‾ | `&#8254;` | overline, aka spacing overscore | u+203E NEW | \\203E | <a href='javascript:alert(&quot;\u203e&quot;)'>\u203e</a> |
| `&frasl;` | | `&#8260;` | fraction slash | u+2044 NEW | \\2044 | <a href='javascript:alert(&quot;\u8260&quot;)'>\u8260</a> |
<!--rehype:className=show-header-->
### HTML Letter-like Symbols
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|-----------------|--------|---------------|------------------------------------------------------------|------------------|-----------|---------------------|
| `&weierp;` | ℘ | `&#8472;` | script capital P, aka power set, aka Weierstrass p | u+2118 ISOamso | \\2118 | <a href='javascript:alert(&quot;\u2118&quot;)'>\u2118</a> |
| `&image;` | | `&#8465;` | blackletter capital I, aka imaginary part | u+2111 ISOamso | \\2111 | <a href='javascript:alert(&quot;\u2111&quot;)'>\u2111</a> |
| `&real;` | | `&#8476;` | blackletter capital R, aka real part symbol | u+211C ISOamso | \\211C | <a href='javascript:alert(&quot;\u211c&quot;)'>\u211c</a> |
| `&trade;` | ™ | `&#8482;` | trade mark sign | u+2122 ISOnum | \\2122 | <a href='javascript:alert(&quot;\u2122&quot;)'>\u2122</a> |
| `&alefsym;` | ℵ | `&#8501;` | alef symbol | u+2135 NEW | \\2135 | <a href='javascript:alert(&quot;\u&quot;)'>\u</a> |
<!--rehype:className=show-header-->
### HTML Arrows
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|---------------|---------------|---------------------------------|-----------------------------------------------------------------|------------------|---------------------|---------------------|
| `&larr;` | ← | `&#8592;` | leftwards arrow | u+2190 ISOnum | \\2190 | <a href='javascript:alert(&quot;\u2190&quot;)'>\u2190</a> |
| `&uarr;` | ↑ | `&#8593;` | upwards arrow | u+2191 ISOnum | \\2191 | <a href='javascript:alert(&quot;\u2191&quot;)'>\u2191</a> |
| `&rarr;` | → | `&#8594;` | rightwards arrow | u+2192 ISOnum | \\2192 | <a href='javascript:alert(&quot;\u2192&quot;)'>\u2192</a> |
| `&darr;` | ↓ | `&#8595;` | downwards arrow | u+2193 ISOnum | \\2193 | <a href='javascript:alert(&quot;\u2193&quot;)'>\u2193</a> |
| `&harr;` | ↔ | `&#8596;` | left right arrow | u+2194 ISOamsa | \\2194 | <a href='javascript:alert(&quot;\u2194&quot;)'>\u2194</a> |
| `&crarr;` | ↵ | `&#8629;` | downwards arrow with corner leftwards, aka carriage return | u+21B5 NEW | \\21B5 | <a href='javascript:alert(&quot;\u21b5&quot;)'>\u21b5</a> |
| `&lArr;` | ⇐ | `&#8656;` | leftwards double arrow can be used for is implied by | u+21D0 ISOtech | \\21D0 | <a href='javascript:alert(&quot;\u21d0&quot;)'>\u21d0</a> |
| `&uArr;` | ⇑ | `&#8657;` | upwards double arrow | u+21D1 ISOamsa | \\21D1 | <a href='javascript:alert(&quot;\u21d1&quot;)'>\u21d1</a> |
| `&rArr;` | ⇒ | `&#8658;` | rightwards double arrow | u+21D2 ISOtech | \\21D2 | <a href='javascript:alert(&quot;\u21d2&quot;)'>\u21d2</a> |
| `&dArr;` | ⇓ | `&#8659;` | downwards double arrow | u+21D3 ISOamsa | \\21D3 | <a href='javascript:alert(&quot;\ud1d3&quot;)'>\ud1d3</a> |
| `&hArr;` | ⇔ | `&#8660;` | left right double arrow | u+21D4 ISOamsa | \\21D4 | <a href='javascript:alert(&quot;\u21d4&quot;)'>\u21d4</a> |
| | ◄ | `&#9668;` | black left pointing triangle | U+25C0 | \\25C0 | <a href='javascript:alert(&quot;\u25c0&quot;)'>\u25c0</a> |
| | ► | `&#9658;` | black right pointing triangle | u+25B6 | \\25b6 | <a href='javascript:alert(&quot;\u25b6&quot;)'>\u25b6</a> |
| | ▲ | `&#9650;` | black up pointing triangle | u+25B2 | \\25b2 | <a href='javascript:alert(&quot;\25b2&quot;)'>\25b2</a> |
| | ▼ | `&#9660;` | black down pointing triangle | u+25BC | \\25bc | <a href='javascript:alert(&quot;\25bc&quot;)'>\25bc</a> |
<!--rehype:className=show-header-->
### HTML 数学运算符
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------|---------------|-----------------------------------------------|------------------|-----------|---------------------|
| `&forall;` | ∀ | `&#8704;` | for all | u+2200 ISOtech | \\2200 | <a href='javascript:alert(&quot;\u2200&quot;)'>\u2200</a> |
| `&part;` | ∂ | `&#8706;` | partial differential | u+2202 ISOtech | \\2202 | <a href='javascript:alert(&quot;\u2202&quot;)'>\u2202</a> |
| `&exist;` | ∃ | `&#8707;` | there exists | u+2203 ISOtech | \\2203 | <a href='javascript:alert(&quot;\u2203&quot;)'>\u2203</a> |
| `&empty;` | ∅ | `&#8709;` | empty set, aka null set, aka diameter | u+2205 ISOamso | \\2205 | <a href='javascript:alert(&quot;\u2205&quot;)'>\u2205</a> |
| `&nabla;` | ∇ | `&#8711;` | nabla, aka bakad difference | u+2207 ISOtech | \\2207 | <a href='javascript:alert(&quot;\u2207&quot;)'>\u2207</a> |
| `&isin;` | ∈ | `&#8712;` | element of | u+2208 ISOtech | \\2208 | <a href='javascript:alert(&quot;\u2208&quot;)'>\u2208</a> |
| `&notin;` | ∉ | `&#8713;` | not an element of | u+2209 ISOtech | \\2209 | <a href='javascript:alert(&quot;\u2209&quot;)'>\u2209</a> |
| `&ni;` | ∋ | `&#8715;` | contains as member | u+220B ISOtech | \\220B | <a href='javascript:alert(&quot;\u220b&quot;)'>\u220b</a> |
| `&prod;` | ∏ | `&#8719;` | n-ary product, aka product sign | u+220F ISOamsb | \\220F | <a href='javascript:alert(&quot;\u03a0&quot;)'>\u03a0</a> |
| `&sum;` | ∑ | `&#8721;` | n-ary sumation | u+2211 ISOamsb | \\2211 | <a href='javascript:alert(&quot;\u03a3&quot;)'>\u03a3</a> |
| `&minus;` | | `&#8722;` | minus sign | u+2212 ISOtech | \\2212 | <a href='javascript:alert(&quot;\u2212&quot;)'>\u2212</a> |
| `&lowast;` | | `&#8727;` | asterisk operator | u+2217 ISOtech | \\2217 | <a href='javascript:alert(&quot;\u2217&quot;)'>\u2217</a> |
| `&radic;` | √ | `&#8730;` | square root, aka radical sign | u+221A ISOtech | \\221A | <a href='javascript:alert(&quot;\u221a&quot;)'>\u221a</a> |
| `&prop;` | ∝ | `&#8733;` | proportional to | u+221D ISOtech | \\221D | <a href='javascript:alert(&quot;\u221d&quot;)'>\u221d</a> |
| `&infin;` | ∞ | `&#8734;` | infinity | u+221E ISOtech | \\221E | <a href='javascript:alert(&quot;\u221e&quot;)'>\u221e</a> |
| `&ang;` | ∠ | `&#8736;` | angle | u+2220 ISOamso | \\2220 | <a href='javascript:alert(&quot;\u2220&quot;)'>\u2220</a> |
| `&and;` | ⊥ | `&#8869;` | logical and, aka wedge | u+2227 ISOtech | \\2227 | <a href='javascript:alert(&quot;\u2227&quot;)'>\u2227</a> |
| `&or;` | ⊦ | `&#8870;` | logical or, aka vee | u+2228 ISOtech | \\2228 | <a href='javascript:alert(&quot;\u2228&quot;)'>\u2228</a> |
| `&cap;` | ∩ | `&#8745;` | intersection, aka cap | u+2229 ISOtech | \\2229 | <a href='javascript:alert(&quot;\u2229&quot;)'>\u2229</a> |
| `&cup;` | | `&#8746;` | union, aka cup | u+222A ISOtech | \\222A | <a href='javascript:alert(&quot;\u222a&quot;)'>\u222a</a> |
| `&int;` | ∫ | `&#8747;` | integral | u+222B ISOtech | \\222B | <a href='javascript:alert(&quot;\u222b&quot;)'>\u222b</a> |
| `&there4;` | ∴ | `&#8756;` | therefore | u+2234 ISOtech | \\2234 | <a href='javascript:alert(&quot;\u2234&quot;)'>\u2234</a> |
| `&sim;` | | `&#8764;` | tilde | u+223C ISOtech | \\223C | <a href='javascript:alert(&quot;\u223c&quot;)'>\u223c</a> |
| `&cong;` | ≅ | `&#8773;` | approximately equal to | u+2245 ISOtech | \\2245 | <a href='javascript:alert(&quot;\u2245&quot;)'>\u2245</a> |
| `&asymp;` | ≈ | `&#8776;` | almost equal to, aka asymptotic to | u+2248 ISOamsr | \\2248 | <a href='javascript:alert(&quot;\u2248&quot;)'>\u2248</a> |
| `&ne;` | ≠ | `&#8800;` | not equal to | u+2260 ISOtech | \\2260 | <a href='javascript:alert(&quot;\u2260&quot;)'>\u2260</a> |
| `&equiv;` | ≡ | `&#8801;` | identical to | u+2261 ISOtech | \\2261 | <a href='javascript:alert(&quot;\u2261&quot;)'>\u2261</a> |
| `&le;` | ≤ | `&#8804;` | less-than or equal to | u+2264 ISOtech | \\2264 | <a href='javascript:alert(&quot;\u2264&quot;)'>\u2264</a> |
| `&ge;` | ≥ | `&#8805;` | greater-than or equal to | u+2265 ISOtech | \\2265 | <a href='javascript:alert(&quot;\u2265&quot;)'>\u2265</a> |
| `&sub;` | ⊂ | `&#8834;` | subset of | u+2282 ISOtech | \\2282 | <a href='javascript:alert(&quot;\u2282&quot;)'>\u2282</a> |
| `&sup;` | ⊃ | `&#8835;` | superset of | u+2283 ISOtech | \\2283 | <a href='javascript:alert(&quot;\u2283&quot;)'>\u2283</a> |
| `&nsub;` | ⊄ | `&#8836;` | not a subset of | u+2284 ISOamsn | \\2284 | <a href='javascript:alert(&quot;\u2284&quot;)'>\u2284</a> |
| `&sube;` | ⊆ | `&#8838;` | subset of or equal to | u+2286 ISOtech | \\2286 | <a href='javascript:alert(&quot;\u2286&quot;)'>\u2286</a> |
| `&supe;` | ⊇ | `&#8839;` | superset of or equal to | u+2287 ISOtech | \\2287 | <a href='javascript:alert(&quot;\u2287&quot;)'>\u2287</a> |
| `&oplus;` | ⊕ | `&#8853;` | circled plus, aka direct sum | u+2295 ISOamsb | \\2295 | <a href='javascript:alert(&quot;\u2295&quot;)'>\u2295</a> |
| `&otimes;` | ⊗ | `&#8855;` | circled times, aka vector product | u+2297 ISOamsb | \\2297 | <a href='javascript:alert(&quot;\u2297&quot;)'>\u2297</a> |
| `&perp;` | ⊥ | `&#8869;` | up tack | u+22A5 ISOtech | \\22A5 | <a href='javascript:alert(&quot;\u22a5&quot;)'>\u22a5</a> |
| `&sdot;` | ⋅ | `&#8901;` | dot operator | u+22C5 ISOamsb | \\22C5 | <a href='javascript:alert(&quot;\u22c5&quot;)'>\u22c5</a> |
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### HTML 技术
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------|---------------|------------------------------------|------------------|-----------|---------------------|
| `&lceil;` | ⌈ | `&#8968;` | left ceiling, aka apl upstile | u+2308 ISOamsc | \\2308 | <a href='javascript:alert(&quot;\u2308&quot;)'>\u2308</a> |
| `&rceil;` | ⌉ | `&#8969;` | right ceiling | u+2309 ISOamsc | \\2309 | <a href='javascript:alert(&quot;\u2309&quot;)'>\u2309</a> |
| `&lfloor;` | ⌊ | `&#8970;` | left floor, aka apl downstile | u+230A ISOamsc | \\230A | <a href='javascript:alert(&quot;\u230a&quot;)'>\u230a</a> |
| `&rfloor;` | ⌋ | `&#8971;` | right floor | u+230B ISOamsc | \\230B | <a href='javascript:alert(&quot;\u230b&quot;)'>\u230b</a> |
| `&lang;` | 〈 | `&#9001;` | left-pointing angle bracket | u+2329 ISOtech | \\2329 | <a href='javascript:alert(&quot;\u2329&quot;)'>\u2329</a> |
| `&rang;` | 〉 | `&#9002;` | right-pointing angle bracket | u+232A ISOtech | \\232A | <a href='javascript:alert(&quot;\u232a&quot;)'>\u232a</a> |
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### HTML 杂项
| HTML | Symbol | Numeric | 描述 | Hex | CSS (ISO) | JS (Octal) |
|----------------|--------|---------------|--------------------------------------|-----------------|-----------|---------------------|
| `&loz;` | ◊ | `&#9674;` | 菱形 | u+25CA ISOpub | \\25CA | <a href='javascript:alert(&quot;\u25ca&quot;)'>\u25ca</a> |
| `&spades;` | ♠ | `&#9824;` | 黑桃 | u+2660 ISOpub | \\2660 | <a href='javascript:alert(&quot;\u2660&quot;)'>\u2660</a> |
| `&clubs;` | ♣ | `&#9827;` | 梅花 | u+2663 ISOpub | \\2663 | <a href='javascript:alert(&quot;\u2663&quot;)'>\u2663</a> |
| `&hearts;` | ♥ | `&#9829;` | 黑心套装,又名情人节 | u+2665 ISOpub | \\2665 | <a href='javascript:alert(&quot;\u2665&quot;)'>\u2665</a> |
| `&diams;` | ♦ | `&#9830;` | 方块 | u+2666 ISOpub | \\2666 | <a href='javascript:alert(&quot;\u2666&quot;)'>\u2666</a> |
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另见
---
- [HTML 字符集实体](https://jaywcjlove.github.io/html-tutorial/reference/charactersets_entities.html)