前往小程序,Get更优阅读体验!
立即前往
首页
学习
活动
专区
工具
TVP
发布
社区首页 >专栏 >常用 HTML 转义符对照表

常用 HTML 转义符对照表

作者头像
Denis
发布2023-04-15 10:08:15
3K0
发布2023-04-15 10:08:15
举报
文章被收录于专栏:WordPress果酱WordPress果酱

为什么要用转义字符串?

HTML中<,>,&等有特殊含义(<,>,用于链接标签,&用于转义),不能直接使用。这些符号是不显示在我们最终看到的网页里的,那如果我们希望在网页中显示这些符号,该怎么办呢?

这就要说到 HTML转义字符串(Escape Sequence)了。

HTML转义字符串也称HTML字符实体(Character Entity)。在HTML中,定义转义字符串的原因有两个:第一个原因是像“<”和“>”这类符号已经用来表示 HTML 标签,因此就不能直接当作文本中的符号来使用。为了在 HTML 文档中使用这些符号,就需要定义它的转义字符串。当解释程序遇到这类字符串时就把它解释为真实的字符。在输入转义字符串时,要严格遵守字母大小写的规则。第二个原因是,有些字符在 ASCII 字符集中没有定义,因此需要使用转义字符串来表示。

转义字符串的组成

转义字符串分成三部分:第一部分是一个&符号,英文叫 ampersand;第二部分是实体(Entity)名字或者是#加上实体(Entity)编号;第三部分是一个分号。

比如,要显示小于号(<),就可以写 &lt; 或者 &#60; 。

用实体(Entity,区分大小写)名字的好处是比较好理解,一看 lt,大概就猜出是 less than 的意思,但是其劣势在于并不是所有的浏览器都支持最新的实体名字。而实体编号,各种浏览器都能处理。

同一个符号,可以用“实体名称”和“实体编号”两种方式引用,“实体名称”的优势在于便于记忆,但不能保证所有的浏览器都能顺利识别它,而“实体编号”则没有这种担忧,但它实在不方便记忆。

最常用的字符实体

显示

说明

实体名称

实体编号

半方大的空白

&ensp;

&#8194;

全方大的空白

&emsp;

&#8195;

不断行的空白格

&nbsp;

&#160;

<

小于

&lt;

&#60;

>

大于

&gt;

&#62;

&

&符号

&amp;

&#38;

"

双引号

&quot;

&#34;

©

版权

&copy;

&#169;

®

已注册商标

&reg;

&#174;

商标(美国)

&trade;

&#8482;

×

乘号

&times;

&#215;

÷

除号

&divide;

&#247;

HTML特殊转义字符列表

显示

名称

编号

&nbsp;

&#160;

¡

&iexcl;

&#161;

¢

&cent;

&#162;

£

&pound;

&#163;

¤

&curren;

&#164;

¥

&yen;

&#165;

¦

&brvbar;

&#166;

§

&sect;

&#167;

¨

&uml;

&#168;

©

&copy;

&#169;

ª

&ordf;

&#170;

«

&laquo;

&#171;

¬

&not;

&#172;

­

&shy;

&#173;

®

&reg;

&#174;

¯

&macr;

&#175;

°

&deg;

&#176;

±

&plusmn;

&#177;

²

&sup2;

&#178;

³

&sup3;

&#179;

´

&acute;

&#180;

µ

&micro;

&#181;

&para;

&#182;

·

&middot;

&#183;

¸

&cedil;

&#184;

¹

&sup1;

&#185;

º

&ordm;

&#186;

»

&raquo;

&#187;

¼

&frac14;

&#188;

½

&frac12;

&#189;

¾

&frac34;

&#190;

¿

&iquest;

&#191;

À

&Agrave;

&#192;

Á

&Aacute;

&#193;

Â

&Acirc;

&#194;

Ã

&Atilde;

&#195;

Ä

&Auml;

&#196;

Å

&Aring;

&#197;

Æ

&AElig;

&#198;

Ç

&Ccedil;

&#199;

È

&Egrave;

&#200;

É

&Eacute;

&#201;

Ê

&Ecirc;

&#202;

Ë

&Euml;

&#203;

Ì

&Igrave;

&#204;

Í

&Iacute;

&#205;

Î

&Icirc;

&#206;

Ï

&Iuml;

&#207;

&Eth;

&Eth;

&#208;

Ñ

&Ntilde;

&#209;

Ò

&Ograve;

&#210;

Ó

&Oacute;

&#211;

Ô

&Ocirc;

&#212;

Õ

&Otilde;

&#213;

Ö

&Ouml;

&#214;

×

&times;

&#215;

Ø

&Oslash;

&#216;

Ù

&Ugrave;

&#217;

Ú

&Uacute;

&#218;

Û

&Ucirc;

&#219;

Ü

&Uuml;

&#220;

Ý

&Yacute;

&#221;

&thORN;

&thORN;

&#222;

ß

&szlig;

&#223;

à

&agrave;

&#224;

á

&aacute;

&#225;

â

&acirc;

&#226;

ã

&atilde;

&#227;

ä

&auml;

&#228;

å

&aring;

&#229;

æ

&aelig;

&#230;

ç

&ccedil;

&#231;

è

&egrave;

&#232;

é

&eacute;

&#233;

ê

&ecirc;

&#234;

ë

&euml;

&#235;

ì

&igrave;

&#236;

í

&iacute;

&#237;

î

&icirc;

&#238;

ï

&iuml;

&#239;

ð

&eth;

&#240;

ñ

&ntilde;

&#241;

ò

&ograve;

&#242;

ó

&oacute;

&#243;

ô

&ocirc;

&#244;

õ

&otilde;

&#245;

ö

&ouml;

&#246;

÷

&divide;

&#247;

ø

&oslash;

&#248;

ù

&ugrave;

&#249;

ú

&uacute;

&#250;

û

&ucirc;

&#251;

ü

&uuml;

&#252;

ý

&yacute;

&#253;

þ

&thorn;

&#254;

ÿ

&yuml;

&#255;

数学和希腊字母标志

显示

名称

编号

ƒ

&fnof;

&#402;

Α

&Alpha;

&#913;

Β

&Beta;

&#914;

Γ

&Gamma;

&#915;

Δ

&Delta;

&#916;

Ε

&Epsilon;

&#917;

Ζ

&Zeta;

&#918;

Η

&Eta;

&#919;

Θ

&theta;

&#920;

Ι

&Iota;

&#921;

Κ

&Kappa;

&#922;

Λ

&Lambda;

&#923;

Μ

&Mu;

&#924;

Ν

&Nu;

&#925;

Ξ

&Xi;

&#926;

Ο

&Omicron;

&#927;

Π

&Pi;

&#928;

Ρ

&Rho;

&#929;

Σ

&Sigma;

&#931;

Τ

&Tau;

&#932;

Υ

&Upsilon;

&#933;

Φ

&Phi;

&#934;

Χ

&Chi;

&#935;

Ψ

&Psi;

&#936;

Ω

&Omega;

&#937;

α

&alpha;

&#945;

β

&beta;

&#946;

γ

&gamma;

&#947;

δ

&delta;

&#948;

ε

&epsilon;

&#949;

ζ

&zeta;

&#950;

η

&eta;

&#951;

θ

&theta;

&#952;

ι

&iota;

&#953;

κ

&kappa;

&#954;

λ

&lambda;

&#955;

μ

&mu;

&#956;

ν

&nu;

&#957;

ξ

&xi;

&#958;

ο

&omicron;

&#959;

π

&pi;

&#960;

ρ

&rho;

&#961;

ς

&sigmaf;

&#962;

σ

&sigma;

&#963;

τ

&tau;

&#964;

υ

&upsilon;

&#965;

φ

&phi;

&#966;

χ

&chi;

&#967;

ψ

&psi;

&#968;

ω

&omega;

&#969;

?

&thetasym;

&#977;

?

&upsih;

&#978;

?

&piv;

&#982;

&bull;

&#8226;

&hellip;

&#8230;

&prime;

&#8242;

&Prime;

&#8243;

&oline;

&#8254;

&frasl;

&#8260;

&weierp;

&#8472;

&image;

&#8465;

&real;

&#8476;

&trade;

&#8482;

&alefsym;

&#8501;

&larr;

&#8592;

&uarr;

&#8593;

&rarr;

&#8594;

&darr;

&#8595;

&harr;

&#8596;

&crarr;

&#8629;

&lArr;

&#8656;

&uArr;

&#8657;

&rArr;

&#8658;

&dArr;

&#8659;

&hArr;

&#8660;

&forall;

&#8704;

&part;

&#8706;

&exist;

&#8707;

&empty;

&#8709;

&nabla;

&#8711;

&isin;

&#8712;

&notin;

&#8713;

&ni;

&#8715;

&prod;

&#8719;

&sum;

&#8721;

&minus;

&#8722;

&lowast;

&#8727;

&radic;

&#8730;

&prop;

&#8733;

&infin;

&#8734;

&ang;

&#8736;

&and;

&#8743;

&or;

&#8744;

&cap;

&#8745;

&cup;

&#8746;

&int;

&#8747;

&there4;

&#8756;

&sim;

&#8764;

&cong;

&#8773;

&asymp;

&#8776;

&ne;

&#8800;

&equiv;

&#8801;

&le;

&#8804;

&ge;

&#8805;

&sub;

&#8834;

&sup;

&#8835;

&nsub;

&#8836;

&sube;

&#8838;

&supe;

&#8839;

&oplus;

&#8853;

&otimes;

&#8855;

&perp;

&#8869;

&sdot;

&#8901;

?

&lceil;

&#8968;

?

&rceil;

&#8969;

?

&lfloor;

&#8970;

?

&rfloor;

&#8971;

?

&lang;

&#9001;

?

&rang;

&#9002;

&loz;

&#9674;

&spades;

&#9824;

&clubs;

&#9827;

&hearts;

&#9829;

&diams;

&#9830;

重要的国际标记

显示

名称

编号

"

&quot;

&#34;

&

&amp;

&#38;

<

&lt;

&#60;

>

&gt;

&#62;

Œ

&OElig;

&#338;

œ

&oelig;

&#339;

Š

&Scaron;

&#352;

š

&scaron;

&#353;

Ÿ

&Yuml;

&#376;

ˆ

&circ;

&#710;

˜

&tilde;

&#732;

&ensp;

&#8194;

&emsp;

&#8195;

&thinsp;

&#8201;

&zwnj;

&#8204;

&zwj;

&#8205;

&lrm;

&#8206;

&rlm;

&#8207;

&ndash;

&#8211;

&mdash;

&#8212;

&lsquo;

&#8216;

&rsquo;

&#8217;

&sbquo;

&#8218;

&ldquo;

&#8220;

&rdquo;

&#8221;

&bdquo;

&#8222;

&dagger;

&#8224;

&Dagger;

&#8225;

&permil;

&#8240;

&lsaquo;

&#8249;

&rsaquo;

&#8250;

&euro;

&#8364;

JavaScript 转义符

转义序列

字符

\b

退格

\f

走纸换页

\n

换行

\r

回车

\t

横向跳格 (Ctrl-I)

\'

单引号

\"

双引号

\\

反斜杠

编程的时候要注意特殊字符的问题,很多运行时出现的问题都是因为特殊字符的出现而引起的。

注意,由于反斜杠本身用作转义符,因此不能直接在脚本中键入一个反斜杠。如果要产生一个反斜杠,必须一起键入两个反斜杠 (\\)。


本文参与 腾讯云自媒体同步曝光计划,分享自作者个人站点/博客。
如有侵权请联系 cloudcommunity@tencent.com 删除

本文分享自 作者个人站点/博客 前往查看

如有侵权,请联系 cloudcommunity@tencent.com 删除。

本文参与 腾讯云自媒体同步曝光计划  ,欢迎热爱写作的你一起参与!

评论
登录后参与评论
0 条评论
热度
最新
推荐阅读
目录
  • 为什么要用转义字符串?
  • 转义字符串的组成
  • 最常用的字符实体
  • HTML特殊转义字符列表
  • 数学和希腊字母标志
  • 重要的国际标记
  • JavaScript 转义符
领券
问题归档专栏文章快讯文章归档关键词归档开发者手册归档开发者手册 Section 归档