escape html

Escape characters in HTML

In HTML, some characters may be interpreted by the browser as special characters, such as the less than sign (<) and the greater than sign (>), which will be interpreted as tags symbols, which will affect the parsing and rendering of HTML documents. To prevent this from happening, we can use escape characters to replace these special characters.

The escape characters of HTML start with the ampersand and end with the ; symbol, and can be divided into the following categories.

1. Basic HTML escape characters

< | less than sign | <

| greater than sign | >
& | and Number | &
" | Double quotation mark | "
' | Single quotation mark | '

Example:

5 < 10

My name is "Zhang San"

2. Extended HTML escape characters

© | Copyright number| ©
® | Registered Trademark | ®
™ | Trademark | ™
| Space |
| Space |

Example:

Copyright © 2020

In the computer field, commonly used abbreviations are: RAM (random access memory), ROM (read-only memory) and CPU (central processing unit).

3. Unicode characters

In HTML, Unicode characters can also be used to represent specific characters. Each Unicode character has a corresponding sixteen The hexadecimal code can be expressed in the form of " hexadecimal code;" or " decimal code;".

Example:

Shenzhen Urban Area

ؙ ب ن ا ل ب ح ا ت ص ب ا ن م ا ل ا ب ا ل ت م ر د ي

Summary

Using HTML escape characters can ensure that special characters are displayed and parsed correctly, avoiding the parsing and rendering of HTML documents An error occurs. Therefore, when writing HTML documents, you should be proficient in the escape characters in HTML and follow the specifications when writing.

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