可以直接用于HTML中的特殊字符表 unicode字符集

梦里梦外; 2023-01-10 05:29 245阅读 0赞

1.    箭头类
2.    基本形状类
3.    货币类
4.    数学类
5.    音乐符号类
6.    对错号
7.    全都是星星
8.    星座类
9.    国际象棋类
10.   扑克牌类
11.   希腊字母
12.   十字
13.   法律符号
14.   标点和符号

### ⇠  箭头类 ###

<table> 
 <tbody> 
  <tr> 
   <th>符号</th> 
   <th colspan="3">UNICODE</th> 
   <th>符号</th> 
   <th colspan="3">UNICODE</th> 
  </tr> 
  <tr> 
   <th>HTML</th> 
   <th>JS</th> 
   <th>CSS</th> 
   <th>HTML</th> 
   <th>JS</th> 
   <th>CSS</th> 
  </tr> 
  <tr> 
   <td>⇠</td> 
   <td>&amp;#8672</td> 
   <td>u21E0</td> 
   <td>21E0</td> 
   <td>⇢</td> 
   <td>&amp;#8674</td> 
   <td>u21E2</td> 
   <td>21E2</td> 
  </tr> 
  <tr> 
   <td>⇡</td> 
   <td>&amp;#8673</td> 
   <td>u21E1</td> 
   <td>21E1</td> 
   <td>⇣</td> 
   <td>&amp;#8675</td> 
   <td>u21E3</td> 
   <td>21E3</td> 
  </tr> 
  <tr> 
   <td>↞</td> 
   <td>&amp;#8606</td> 
   <td>u219E</td> 
   <td>219E</td> 
   <td>↠</td> 
   <td>&amp;#8608</td> 
   <td>u21A0</td> 
   <td>21A0</td> 
  </tr> 
  <tr> 
   <td>↟</td> 
   <td>&amp;#8607</td> 
   <td>u219F</td> 
   <td>219F</td> 
   <td>↡</td> 
   <td>&amp;#8609</td> 
   <td>u21A1</td> 
   <td>21A1</td> 
  </tr> 
  <tr> 
   <td>←</td> 
   <td>&amp;#8592</td> 
   <td>u2190</td> 
   <td>2190</td> 
   <td>→</td> 
   <td>&amp;#8594</td> 
   <td>u2192</td> 
   <td>2192</td> 
  </tr> 
  <tr> 
   <td>↑</td> 
   <td>&amp;#8593</td> 
   <td>u2191</td> 
   <td>2191</td> 
   <td>↓</td> 
   <td>&amp;#8595</td> 
   <td>u2193</td> 
   <td>2193</td> 
  </tr> 
  <tr> 
   <td>↔</td> 
   <td>&amp;#8596</td> 
   <td>u2194</td> 
   <td>2194</td> 
   <td>↕</td> 
   <td>&amp;#8597</td> 
   <td>u2195</td> 
   <td>2195</td> 
  </tr> 
  <tr> 
   <td>⇄</td> 
   <td>&amp;#8644</td> 
   <td>u21C4</td> 
   <td>21C4</td> 
   <td>⇅</td> 
   <td>&amp;#8645</td> 
   <td>u21C5</td> 
   <td>21C5</td> 
  </tr> 
  <tr> 
   <td>↢</td> 
   <td>&amp;#8610</td> 
   <td>u21A2</td> 
   <td>21A2</td> 
   <td>↣</td> 
   <td>&amp;#8611</td> 
   <td>u21A3</td> 
   <td>21A3</td> 
  </tr> 
  <tr> 
   <td>⇞</td> 
   <td>&amp;#8670</td> 
   <td>u21DE</td> 
   <td>21DE</td> 
   <td>⇟</td> 
   <td>&amp;#8671</td> 
   <td>u21DF</td> 
   <td>21DF</td> 
  </tr> 
  <tr> 
   <td>↫</td> 
   <td>&amp;#8619</td> 
   <td>u21AB</td> 
   <td>21AB</td> 
   <td>↬</td> 
   <td>&amp;#8620</td> 
   <td>u21AC</td> 
   <td>21AC</td> 
  </tr> 
  <tr> 
   <td>⇜</td> 
   <td>&amp;#8668</td> 
   <td>u21DC</td> 
   <td>21DC</td> 
   <td>⇝</td> 
   <td>&amp;#8669</td> 
   <td>u21DD</td> 
   <td>21DD</td> 
  </tr> 
  <tr> 
   <td>↚</td> 
   <td>&amp;#8602</td> 
   <td>u219A</td> 
   <td>219A</td> 
   <td>↛</td> 
   <td>&amp;#8603</td> 
   <td>u219B</td> 
   <td>219B</td> 
  </tr> 
  <tr> 
   <td>↮</td> 
   <td>&amp;#8622</td> 
   <td>u21AE</td> 
   <td>21AE</td> 
   <td>↭</td> 
   <td>&amp;#8621</td> 
   <td>u21AD</td> 
   <td>21AD</td> 
  </tr> 
  <tr> 
   <td>⇦</td> 
   <td>&amp;#8678</td> 
   <td>u21E6</td> 
   <td>21E6</td> 
   <td>⇨</td> 
   <td>&amp;#8680</td> 
   <td>u21E8</td> 
   <td>21E8</td> 
  </tr> 
  <tr> 
   <td>⇧</td> 
   <td>&amp;#8679</td> 
   <td>u21E7</td> 
   <td>21E7</td> 
   <td>⇩</td> 
   <td>&amp;#8681</td> 
   <td>u21E9</td> 
   <td>21E9</td> 
  </tr> 
  <tr> 
   <td>▲</td> 
   <td>&amp;#9650</td> 
   <td>u25B2</td> 
   <td>25B2</td> 
   <td>►</td> 
   <td>&amp;#9658</td> 
   <td>u25BA</td> 
   <td>25BA</td> 
  </tr> 
  <tr> 
   <td>▼</td> 
   <td>&amp;#9660</td> 
   <td>u25BC</td> 
   <td>25BC</td> 
   <td>◄</td> 
   <td>&amp;#9668</td> 
   <td>u25C4</td> 
   <td>25C4</td> 
  </tr> 
  <tr> 
   <td>➔</td> 
   <td>&amp;#10132</td> 
   <td>u2794</td> 
   <td>2794</td> 
   <td>➙</td> 
   <td>&amp;#10137</td> 
   <td>u2799</td> 
   <td>2799</td> 
  </tr> 
  <tr> 
   <td>➨</td> 
   <td>&amp;#10152</td> 
   <td>u27A8</td> 
   <td>27A8</td> 
   <td>➲</td> 
   <td>&amp;#10162</td> 
   <td>u27B2</td> 
   <td>27B2</td> 
  </tr> 
  <tr> 
   <td>➜</td> 
   <td>&amp;#10140</td> 
   <td>u279C</td> 
   <td>279C</td> 
   <td>➞</td> 
   <td>&amp;#10142</td> 
   <td>u279E</td> 
   <td>279E</td> 
  </tr> 
  <tr> 
   <td>➟</td> 
   <td>&amp;#10143</td> 
   <td>u279F</td> 
   <td>279F</td> 
   <td>➠</td> 
   <td>&amp;#10144</td> 
   <td>u27A0</td> 
   <td>27A0</td> 
  </tr> 
  <tr> 
   <td>➤</td> 
   <td>&amp;#10148</td> 
   <td>u27A4</td> 
   <td>27A4</td> 
   <td>➥</td> 
   <td>&amp;#10149</td> 
   <td>u27A5</td> 
   <td>27A5</td> 
  </tr> 
  <tr> 
   <td>➦</td> 
   <td>&amp;#10150</td> 
   <td>u27A6</td> 
   <td>27A6</td> 
   <td>➧</td> 
   <td>&amp;#10151</td> 
   <td>u27A7</td> 
   <td>27A7</td> 
  </tr> 
  <tr> 
   <td>➵</td> 
   <td>&amp;#10165</td> 
   <td>u27B5</td> 
   <td>27B5</td> 
   <td>➸</td> 
   <td>&amp;#10168</td> 
   <td>u27B8</td> 
   <td>27B8</td> 
  </tr> 
  <tr> 
   <td>➼</td> 
   <td>&amp;#10172</td> 
   <td>u27BC</td> 
   <td>27BC</td> 
   <td>➽</td> 
   <td>&amp;#10173</td> 
   <td>u27BD</td> 
   <td>27BD</td> 
  </tr> 
  <tr> 
   <td>➺</td> 
   <td>&amp;#10170</td> 
   <td>u27BA</td> 
   <td>27BA</td> 
   <td>➳</td> 
   <td>&amp;#10163</td> 
   <td>u27B3</td> 
   <td>27B3</td> 
  </tr> 
  <tr> 
   <td>↷</td> 
   <td>&amp;#8631</td> 
   <td>u21B7</td> 
   <td>21B7</td> 
   <td>↶</td> 
   <td>&amp;#8630</td> 
   <td>u21B6</td> 
   <td>21B6</td> 
  </tr> 
  <tr> 
   <td>↻</td> 
   <td>&amp;#8635</td> 
   <td>u21BB</td> 
   <td>21BB</td> 
   <td>↺</td> 
   <td>&amp;#8634</td> 
   <td>u21BA</td> 
   <td>21BA</td> 
  </tr> 
  <tr> 
   <td>↵</td> 
   <td>&amp;#8629</td> 
   <td>u21B5</td> 
   <td>21B5</td> 
   <td>↯</td> 
   <td>&amp;#8623</td> 
   <td>u21AF</td> 
   <td>21AF</td> 
  </tr> 
  <tr> 
   <td>➾</td> 
   <td>&amp;#10174</td> 
   <td>u27BE</td> 
   <td>27BE</td> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
   <td>&nbsp;</td> 
  </tr> 
 </tbody> 
</table>

### ❤  基本形状类 ###

<table> 
 <tbody> 
  <tr> 
   <th>符号</th> 
   <th colspan="3">UNICODE</th> 
   <th>符号</th> 
   <th colspan="3">UNICODE</th> 
  </tr> 
  <tr> 
   <th>HTML</th> 
   <th>JS</th> 
   <th>CSS</th> 
   <th>HTML</th> 
   <th>JS</th> 
   <th>CSS</th> 
  </tr> 
  <tr> 
   <td>❤</td> 
   <td>&amp;#10084</td> 
   <td>u2764</td> 
   <td>2764</td> 
   <td>✈</td> 
   <td>&amp;#9992</td> 
   <td>u2708</td> 
   <td>2708</td> 
  </tr> 
  <tr> 
   <td>★</td> 
   <td>&amp;#9733</td> 
   <td>u2605</td> 
   <td>2605</td> 
   <td>✦</td> 
   <td>&amp;#10022</td> 
   <td>u2726</td> 
   <td>2726</td> 
  </tr> 
  <tr> 
   <td>☀</td> 
   <td>&amp;#9728</td> 
   <td>u2600</td> 
   <td>2600</td> 
   <td>◆</td> 
   <td>&amp;#9670</td> 
   <td>u25C6</td> 
   <td>25C6</td> 
  </tr> 
  <tr> 
   <td>◈</td> 
   <td>&amp;#9672</td> 
   <td>u25C8</td> 
   <td>25C8</td> 
   <td>▣</td> 
   <td>&amp;#9635</td> 
   <td>u25A3</td> 
   <td>25A3</td> 
  </tr> 
  <tr> 
   <td>☻</td> 
   <td>&amp;#9787</td> 
   <td>u263B</td> 
   <td>263B</td> 
   <td>☺</td> 
   <td>&amp;#9786</td> 
   <td>u263A</td> 
   <td>263A</td> 
  </tr> 
  <tr> 
   <td>☹</td> 
   <td>&amp;#9785</td> 
   <td>u2639</td> 
   <td>2639</td> 
   <td>✉</td> 
   <td>&amp;#9993</td> 
   <td>u2709</td> 
   <td>2709</td> 
  </tr> 
  <tr> 
   <td>☎</td> 
   <td>&amp;#9742</td> 
   <td>u260E</td> 
   <td>260E</td> 
   <td>☏</td> 
   <td>&amp;#9743</td> 
   <td>u260F</td> 
   <td>260F</td> 
  </tr> 
  <tr> 
   <td>✆</td> 
   <td>&amp;#9990</td> 
   <td>u2706</td> 
   <td>2706</td> 
   <td>�</td> 
   <td>&amp;#65533</td> 
   <td>uFFFD</td> 
   <td>FFFD</td> 
  </tr> 
  <tr> 
   <td>☁</td> 
   <td>&amp;#9729</td> 
   <td>u2601</td> 
   <td>2601</td> 
   <td>☂</td> 
   <td>&amp;#9730</td> 
   <td>u2602</td> 
   <td>2602</td> 
  </tr> 
  <tr> 
   <td>❄</td> 
   <td>&amp;#10052</td> 
   <td>u2744</td> 
   <td>2744</td> 
   <td>☃</td> 
   <td>&amp;#9731</td> 
   <td>u2603</td> 
   <td>2603</td> 
  </tr> 
  <tr> 
   <td>❈</td> 
   <td>&amp;#10056</td> 
   <td>u2748</td> 
   <td>2748</td> 
   <td>✿</td> 
   <td>&amp;#10047</td> 
   <td>u273F</td> 
   <td>273F</td> 
  </tr> 
  <tr> 
   <td>❀</td> 
   <td>&amp;#10048</td> 
   <td>u2740</td> 
   <td>2740</td> 
   <td>❁</td> 
   <td>&amp;#10049</td> 
   <td>u2741</td> 
   <td>2741</td> 
  </tr> 
  <tr> 
   <td>☘</td> 
   <td>&amp;#9752</td> 
   <td>u2618</td> 
   <td>2618</td> 
   <td>❦</td> 
   <td>&amp;#10086</td> 
   <td>u2766</td> 
   <td>2766</td> 
  </tr> 
  <tr> 
   <td>☕</td> 
   <td>&amp;#9749</td> 
   <td>u9749</td> 
   <td>9749</td> 
   <td>❂</td> 
   <td>&amp;#10050</td> 
   <td>u2742</td> 
   <td>2742</td> 
  </tr> 
  <tr> 
   <td>☥</td> 
   <td>&amp;#9765</td> 
   <td>u2625</td> 
   <td>2625</td> 
   <td>☮</td> 
   <td>&amp;#9774</td> 
   <td>u262E</td> 
   <td>262E</td> 
  </tr> 
  <tr> 
   <td>☯</td> 
   <td>&amp;#9775</td> 
   <td>u262F</td> 
   <td>262F</td> 
   <td>☪</td> 
   <td>&amp;#9770</td> 
   <td>u262A</td> 
   <td>262A</td> 
  </tr> 
  <tr> 
   <td>☤</td> 
   <td>&amp;#9764</td> 
   <td>u2624</td> 
   <td>2624</td> 
   <td>✄</td> 
   <td>&amp;#9988</td> 
   <td>u2704</td> 
   <td>2704</td> 
  </tr> 
  <tr> 
   <td>✂</td> 
   <td>&amp;#9986</td> 
   <td>u2702</td> 
   <td>2702</td> 
   <td>☸</td> 
   <td>&amp;#9784</td> 
   <td>u2638</td> 
   <td>2638</td> 
  </tr> 
  <tr> 
   <td>⚓</td> 
   <td>&amp;#9875</td> 
   <td>u2693</td> 
   <td>2693</td> 
   <td>☣</td> 
   <td>&amp;#9763</td> 
   <td>u2623</td> 
   <td>2623</td> 
  </tr> 
  <tr> 
   <td>⚠</td> 
   <td>&amp;#9888</td> 
   <td>u26A0</td> 
   <td>26A0</td> 
   <td>⚡</td> 
   <td>&amp;#9889</td> 
   <td>u26A1</td> 
   <td>26A1</td> 
  </tr> 
  <tr> 
   <td>☢</td> 
   <td>&amp;#9762</td> 
   <td>u2622</td> 
   <td>2622</td> 
   <td>♻</td> 
   <td>&amp;#9851</td> 
   <td>u267B</td> 
   <td>267B</td> 
  </tr> 
  <tr> 
   <td>♿</td> 
   <td>&amp;#9855</td> 
   <td>u267F</td> 
   <td>267F</td> 
   <td>☠</td> 
   <td>&amp;#9760</td> 
   <td>u2620</td> 
   <td>2620</td> 
  </tr> 
 </tbody> 
</table>

### ¥  货币类 ###

### ½  数学类 ###

### ♫  音乐符号类 ###

### ✖  对错号 ###

### ★  全都是星星 ###

### ♒  星座类 ###

### ♚  国际象棋类 ###

### ♣  扑克牌类 ###

### Ω  希腊字母 ###

### ☩  十字 ###

### ©  法律符号 ###

### @  标点和符号 ###

总结归类：

1.特色的

<table> 
 <tbody> 
  <tr> 
   <td>©</td> 
   <td>&amp;copy;</td> 
   <td>©</td> 
   <td>版权标志</td> 
  </tr> 
  <tr> 
   <td>|</td> 
   <td>&nbsp;</td> 
   <td>|</td> 
   <td>竖线，常用作菜单或导航中的分隔符</td> 
  </tr> 
  <tr> 
   <td>·</td> 
   <td>&amp;middot;</td> 
   <td>·</td> 
   <td>圆点，有时被用来作为菜单分隔符</td> 
  </tr> 
  <tr> 
   <td>↑</td> 
   <td>&amp;uarr;</td> 
   <td>↑</td> 
   <td>上箭头，常用作网页“返回页面顶部”标识</td> 
  </tr> 
  <tr> 
   <td>€</td> 
   <td>&amp;euro;</td> 
   <td>€</td> 
   <td>欧元标识</td> 
  </tr> 
  <tr> 
   <td>²</td> 
   <td>&amp;sup2;</td> 
   <td>²</td> 
   <td>上标2，数学中的平方，在数字处理中常用到，例如：1000²</td> 
  </tr> 
  <tr> 
   <td>½</td> 
   <td>&amp;frac12;</td> 
   <td>½</td> 
   <td>二分之一</td> 
  </tr> 
  <tr> 
   <td>♥</td> 
   <td>&amp;hearts;</td> 
   <td>♥</td> 
   <td>心型，用来表达你的心</td> 
  </tr> 
 </tbody> 
</table>

2常用的

<table> 
 <tbody> 
  <tr> 
   <td>&nbsp;</td> 
   <td>&amp;nbsp;</td> 
   <td>&nbsp;</td> 
   <td>空格</td> 
  </tr> 
  <tr> 
   <td>&amp;</td> 
   <td>&amp;amp;</td> 
   <td>&amp;</td> 
   <td>and符号，与</td> 
  </tr> 
  <tr> 
   <td>“</td> 
   <td>&amp;quot;</td> 
   <td>“</td> 
   <td>引号</td> 
  </tr> 
  <tr> 
   <td>©</td> 
   <td>&amp;copy;</td> 
   <td>©</td> 
   <td>版权标志</td> 
  </tr> 
  <tr> 
   <td>®</td> 
   <td>&amp;reg;</td> 
   <td>»</td> 
   <td>注册标志</td> 
  </tr> 
  <tr> 
   <td>™</td> 
   <td>&amp;trade;</td> 
   <td>™</td> 
   <td>商标标志</td> 
  </tr> 
  <tr> 
   <td>“</td> 
   <td>&amp;ldquo;</td> 
   <td>“</td> 
   <td>左双引号</td> 
  </tr> 
  <tr> 
   <td>”</td> 
   <td>&amp;rdquo;</td> 
   <td>”</td> 
   <td>右双引号</td> 
  </tr> 
  <tr> 
   <td>‘</td> 
   <td>&amp;lsquo;</td> 
   <td>‘</td> 
   <td>做单引号</td> 
  </tr> 
  <tr> 
   <td>’</td> 
   <td>&amp;rsquo;</td> 
   <td>’</td> 
   <td>右单引号</td> 
  </tr> 
  <tr> 
   <td>«</td> 
   <td>&amp;laquo;</td> 
   <td>«</td> 
   <td>左三角双引号</td> 
  </tr> 
  <tr> 
   <td>»</td> 
   <td>&amp;raquo;</td> 
   <td>»</td> 
   <td>右三角双引号</td> 
  </tr> 
  <tr> 
   <td>‹</td> 
   <td>&amp;lsaquo;</td> 
   <td>‹</td> 
   <td>左三角单引号</td> 
  </tr> 
  <tr> 
   <td>›</td> 
   <td>&amp;rsaquo;</td> 
   <td>›</td> 
   <td>右三角单引号</td> 
  </tr> 
  <tr> 
   <td>§</td> 
   <td>&amp;sect;</td> 
   <td>§</td> 
   <td>章节标志</td> 
  </tr> 
  <tr> 
   <td>¶</td> 
   <td>&amp;para;</td> 
   <td>¶</td> 
   <td>段落标志</td> 
  </tr> 
  <tr> 
   <td>•</td> 
   <td>&amp;bull;</td> 
   <td>•</td> 
   <td>列表圆点（大）</td> 
  </tr> 
  <tr> 
   <td>·</td> 
   <td>&amp;middot;</td> 
   <td>·</td> 
   <td>列表圆点（中）</td> 
  </tr> 
  <tr> 
   <td>…</td> 
   <td>&amp;hellip;</td> 
   <td>…</td> 
   <td>省略号</td> 
  </tr> 
  <tr> 
   <td>|</td> 
   <td>&nbsp;</td> 
   <td>|</td> 
   <td>竖线</td> 
  </tr> 
  <tr> 
   <td>¦</td> 
   <td>&amp;brvbar;</td> 
   <td>¦</td> 
   <td>断的竖线</td> 
  </tr> 
  <tr> 
   <td>–</td> 
   <td>&amp;ndash;</td> 
   <td>–</td> 
   <td>短破折号</td> 
  </tr> 
  <tr> 
   <td>—</td> 
   <td>&amp;mdash;</td> 
   <td>—</td> 
   <td>长破折号</td> 
  </tr> 
 </tbody> 
</table>

3.货币类

<table> 
 <tbody> 
  <tr> 
   <td>¤</td> 
   <td>&amp;curren;</td> 
   <td>¤</td> 
   <td>一般货币符号</td> 
  </tr> 
  <tr> 
   <td>$</td> 
   <td>&nbsp;</td> 
   <td>$</td> 
   <td>美元符号</td> 
  </tr> 
  <tr> 
   <td>¢</td> 
   <td>&amp;cent;</td> 
   <td>¢</td> 
   <td>分</td> 
  </tr> 
  <tr> 
   <td>£</td> 
   <td>&amp;pound;</td> 
   <td>£</td> 
   <td>英镑</td> 
  </tr> 
  <tr> 
   <td>¥</td> 
   <td>&amp;yen;</td> 
   <td>¥</td> 
   <td>日元</td> 
  </tr> 
  <tr> 
   <td>€</td> 
   <td>&amp;euro;</td> 
   <td>€</td> 
   <td>欧元</td> 
  </tr> 
 </tbody> 
</table>

4 数学类

<table> 
 <tbody> 
  <tr> 
   <td>&lt;</td> 
   <td>&amp;lt;</td> 
   <td>&lt;</td> 
   <td>小于号</td> 
  </tr> 
  <tr> 
   <td>&gt;</td> 
   <td>&amp;gt;</td> 
   <td>&gt;</td> 
   <td>大于号</td> 
  </tr> 
  <tr> 
   <td>≤</td> 
   <td>&amp;le;</td> 
   <td>≤</td> 
   <td>小于等于号</td> 
  </tr> 
  <tr> 
   <td>≥</td> 
   <td>&amp;ge;</td> 
   <td>≥</td> 
   <td>大于等于号</td> 
  </tr> 
  <tr> 
   <td>×</td> 
   <td>&amp;times;</td> 
   <td>×</td> 
   <td>乘号</td> 
  </tr> 
  <tr> 
   <td>÷</td> 
   <td>&amp;divide;</td> 
   <td>÷</td> 
   <td>除号</td> 
  </tr> 
  <tr> 
   <td>−</td> 
   <td>&amp;minus;</td> 
   <td>−</td> 
   <td>减号</td> 
  </tr> 
  <tr> 
   <td>±</td> 
   <td>&amp;plusmn;</td> 
   <td>±</td> 
   <td>加/减 号</td> 
  </tr> 
  <tr> 
   <td>≠</td> 
   <td>&amp;ne;</td> 
   <td>≠</td> 
   <td>不等于号</td> 
  </tr> 
  <tr> 
   <td>¹</td> 
   <td>&amp;sup1;</td> 
   <td>¹</td> 
   <td>上标1</td> 
  </tr> 
  <tr> 
   <td>²</td> 
   <td>&amp;sup2;</td> 
   <td>²</td> 
   <td>上标2</td> 
  </tr> 
  <tr> 
   <td>³</td> 
   <td>&amp;sup3;</td> 
   <td>³</td> 
   <td>上标3</td> 
  </tr> 
  <tr> 
   <td>½</td> 
   <td>&amp;frac12;</td> 
   <td>½</td> 
   <td>二分之一</td> 
  </tr> 
  <tr> 
   <td>¼</td> 
   <td>&amp;frac14;</td> 
   <td>¼</td> 
   <td>四分之一</td> 
  </tr> 
  <tr> 
   <td>¾</td> 
   <td>&amp;frac34;</td> 
   <td>¾</td> 
   <td>四分之三</td> 
  </tr> 
  <tr> 
   <td>‰</td> 
   <td>&amp;permil;</td> 
   <td>‰</td> 
   <td>千分率</td> 
  </tr> 
  <tr> 
   <td>°</td> 
   <td>&amp;deg;</td> 
   <td>°</td> 
   <td>度</td> 
  </tr> 
  <tr> 
   <td>√</td> 
   <td>&amp;radic;</td> 
   <td>√</td> 
   <td>平方根</td> 
  </tr> 
  <tr> 
   <td>∞</td> 
   <td>&amp;infin;</td> 
   <td>∞</td> 
   <td>无限大</td> 
  </tr> 
 </tbody> 
</table>

5.方向类

<table> 
 <tbody> 
  <tr> 
   <td>←</td> 
   <td>&amp;larr;</td> 
   <td>←</td> 
   <td>左箭头</td> 
  </tr> 
  <tr> 
   <td>↑</td> 
   <td>&amp;uarr;</td> 
   <td>↑</td> 
   <td>上箭头</td> 
  </tr> 
  <tr> 
   <td>→</td> 
   <td>&amp;rarr;</td> 
   <td>→</td> 
   <td>右箭头</td> 
  </tr> 
  <tr> 
   <td>↓</td> 
   <td>&amp;darr;</td> 
   <td>↓</td> 
   <td>下箭头</td> 
  </tr> 
  <tr> 
   <td>↔</td> 
   <td>&amp;harr;</td> 
   <td>↔</td> 
   <td>左右箭头</td> 
  </tr> 
  <tr> 
   <td>↵</td> 
   <td>&amp;crarr;</td> 
   <td>↵</td> 
   <td>回车箭头</td> 
  </tr> 
  <tr> 
   <td>⌈</td> 
   <td>&amp;lceil;</td> 
   <td>⌈</td> 
   <td>左上限</td> 
  </tr> 
  <tr> 
   <td>⌉</td> 
   <td>&amp;rceil;</td> 
   <td>⌉</td> 
   <td>右上限</td> 
  </tr> 
  <tr> 
   <td>⌊</td> 
   <td>&amp;lfloor;</td> 
   <td>⌊</td> 
   <td>左下限</td> 
  </tr> 
  <tr> 
   <td>⌋</td> 
   <td>&amp;rfloor;</td> 
   <td>⌋</td> 
   <td>右下限</td> 
  </tr> 
 </tbody> 
</table>

6 其它

<table> 
 <tbody> 
  <tr> 
   <td>♠</td> 
   <td>&amp;spades;</td> 
   <td>♠</td> 
   <td>黑桃</td> 
  </tr> 
  <tr> 
   <td>♣</td> 
   <td>&amp;clubs;</td> 
   <td>♣</td> 
   <td>梅花</td> 
  </tr> 
  <tr> 
   <td>♥</td> 
   <td>&amp;hearts;</td> 
   <td>♥</td> 
   <td>红桃，心</td> 
  </tr> 
  <tr> 
   <td>♦</td> 
   <td>&amp;diams;</td> 
   <td>♦</td> 
   <td>方块牌</td> 
  </tr> 
  <tr> 
   <td>◊</td> 
   <td>&amp;loz;</td> 
   <td>◊</td> 
   <td>菱形</td> 
  </tr> 
  <tr> 
   <td>†</td> 
   <td>&amp;dagger;</td> 
   <td>†</td> 
   <td>匕首</td> 
  </tr> 
  <tr> 
   <td>‡</td> 
   <td>&amp;Dagger;</td> 
   <td>‡</td> 
   <td>双剑号</td> 
  </tr> 
  <tr> 
   <td>¡</td> 
   <td>&amp;iexcl;</td> 
   <td>¡</td> 
   <td>反向感叹号</td> 
  </tr> 
  <tr> 
   <td>¿</td> 
   <td>&amp;iquest;</td> 
   <td>¿</td> 
   <td>反向问号</td> 
  </tr> 
 </tbody> 
</table>