html escape characters

HTML is a markup language used to build and render web pages. In HTML, some characters have special meanings, so escape characters need to be used to represent them. Here are some common HTML escape characters.

1. < and >
   < and > are used to represent the less than sign (<) and the greater than sign (>). These two characters have special meanings in HTML. If their symbols are used directly, the browser will misunderstand them as the end tag of the code fragment, resulting in display errors.
2. &
   & is used to represent the ampersand. If the & symbol is used directly in HTML, the browser will misunderstand it as the beginning of an HTML entity or named entity, resulting in incorrect display.
3. " and '
   " are used to represent double quotes ("), while ' is used to represent single quotes ('). If these two symbols are used directly in HTML, the browser will misunderstand them as The beginning of an HTML entity or named entity, resulting in incorrect display.
4. 
   is used to represent spaces. In HTML, if multiple spaces appear consecutively, the browser will merge them into one space. If If you need to display multiple consecutive spaces in HTML, you need to use .
5. number;
   number; is a general HTML entity representing characters. Number represents a decimal number Number, representing a character in the Unicode character set. Prefixed with , followed by a number, and then ended with a semicolon (;) to represent this character.
6. © and ®
   © are used represents the copyright symbol (©), while ® is used to represent the registered trademark symbol (®). These two entities are special cases and do not need to end with a semicolon like other entities.

Summary:
In HTML, some characters have special meanings. If they are used directly, they will cause parsing errors and affect the display of the web page. Using HTML escape characters can avoid this situation. Several commonly used HTML escapes introduced above Characters can help us write better web pages and improve display effects and compatibility.

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