Web
HTML实体参考 — HTML特殊字符
包含命名实体、数字代码及其渲染字符的完整HTML实体参考。Web开发者必备。
必备HTML实体
每个Web开发者都应该知道的最常用HTML实体。
| 字符 | 实体名称 | 实体编号 | 说明 |
|---|---|---|---|
| < | < | < | Less than sign |
| > | > | > | Greater than sign |
| & | & | & | Ampersand |
| " | " | " | Double quotation mark |
| ' | ' | ' | Single quotation mark (apostrophe) |
| |   | Non-breaking space |
标点符号 & 排版
| 字符 | 实体名称 | 实体编号 | 说明 |
|---|---|---|---|
| – | – | – | En dash |
| — | — | — | Em dash |
| ‘ | ‘ | ‘ | Left single quotation mark |
| ’ | ’ | ’ | Right single quotation mark |
| “ | “ | “ | Left double quotation mark |
| ” | ” | ” | Right double quotation mark |
| • | • | • | Bullet |
| … | … | … | Horizontal ellipsis |
| © | © | © | Copyright sign |
| ® | ® | ® | Registered sign |
| ™ | ™ | ™ | Trade mark sign |
| ° | ° | ° | Degree sign |
| · | · | · | Middle dot |
| † | † | † | Dagger |
| ‡ | ‡ | ‡ | Double dagger |
| ¶ | ¶ | ¶ | Pilcrow / paragraph sign |
| § | § | § | Section sign |
数学符号
| 字符 | 实体名称 | 实体编号 | 说明 |
|---|---|---|---|
| × | × | × | Multiplication sign |
| ÷ | ÷ | ÷ | Division sign |
| ± | ± | ± | Plus-minus sign |
| ≠ | ≠ | ≠ | Not equal to |
| ≤ | ≤ | ≤ | Less than or equal to |
| ≥ | ≥ | ≥ | Greater than or equal to |
| ∞ | ∞ | ∞ | Infinity |
| ∑ | ∑ | ∑ | Summation |
| ∏ | ∏ | ∏ | Product |
| √ | √ | √ | Square root |
| ∫ | ∫ | ∫ | Integral |
| ≈ | ≈ | ≈ | Almost equal to |
| ¼ | ¼ | ¼ | Fraction one quarter |
| ½ | ½ | ½ | Fraction one half |
| ¾ | ¾ | ¾ | Fraction three quarters |
货币符号
| 字符 | 实体名称 | 实体编号 | 说明 |
|---|---|---|---|
| $ | $ | $ | Dollar sign |
| € | € | € | Euro sign |
| £ | £ | £ | Pound sign |
| ¥ | ¥ | ¥ | Yen / Yuan sign |
| ¢ | ¢ | ¢ | Cent sign |
| ₩ | ₩ | ₩ | Won sign |
| ₹ | ₹ | ₹ | Indian Rupee sign |
| ₿ | ₿ | ₿ | Bitcoin sign |
箭头
| 字符 | 实体名称 | 实体编号 | 说明 |
|---|---|---|---|
| ← | ← | ← | Leftwards arrow |
| ↑ | ↑ | ↑ | Upwards arrow |
| → | → | → | Rightwards arrow |
| ↓ | ↓ | ↓ | Downwards arrow |
| ↔ | ↔ | ↔ | Left right arrow |
| ↵ | ↵ | ↵ | Downwards arrow with corner leftwards (carriage return) |
| ⇐ | ⇐ | ⇐ | Leftwards double arrow |
| ⇑ | ⇑ | ⇑ | Upwards double arrow |
| ⇒ | ⇒ | ⇒ | Rightwards double arrow |
| ⇓ | ⇓ | ⇓ | Downwards double arrow |
| ⇔ | ⇔ | ⇔ | Left right double arrow |