Introducing the character entity of spaces in html

Summary:

Browsers always truncate spaces in HTML pages. If you write 10 spaces in your text, the browser will remove 9 of them before displaying the page. To increase the number of spaces on the page, you need to use the  character entity.

This article will only introduce space character entities. HTML provides 6 types of space entities:

 
 
 
 
‌
‍

On web pages, there are generally 3 types Writing:

1. 直接输入法输入例如“版权” – ©.
2. 字符：©
3. charCode：©

Text:

Non-breaking space (non-breaking space) character encoding: In HTML, press the space key to generate , spaces are not accumulated (only counted as 1), they must be represented by html entities to be accumulated.

Full-width space (Em Space) character encoding: em is the unit of measurement for typography. It is equivalent to the currently specified point number. For example, 1em in a 16px font is 16px. This space has a very robust feature. The width it occupies is exactly 1 Chinese width.

Half-width space (En Space) character encoding: en is the measurement unit of typography. It is half the width of em. For example, 1en is 16px in a 16px font, which is nominally the width of the lowercase letter n. This space has a very robust feature. The width it occupies is exactly 1/2 Chinese width.

Thin Space occupies a smaller width, which is one-sixth of an em wide.

‌

Zero Width Non Joiner character encoding‌: referred to as "ZWNJ", is a non-printing character, placed Between the two characters of the electronic text, the hyphenation that would otherwise occur is suppressed, and the original glyphs of the two characters are drawn. HTML character value ‌.

‍

Zero Width Joiner character encoding‍: referred to as "ZWJ", is a non-printable character that is placed in some languages ​​​​that require complex typesetting (such as Arabic, Hindi) between two characters, causing the two characters that would not have been hyphenated to have a hyphenated effect. HTML character value ‍.

Others:

• The browser will also parse the following characters as whitespace: space , tab stop , newline x000A; and carriage return and 　 and so on.

• +16/decimal representation is Numeric Character References

• &+Entity name representation is Character Entities References, html characters The name of the entity must be defined in html to be used.

• The advantage of using entity names instead of numbers is that the names are easier to remember. The downside is that browsers may not support all entity names (support for entity numbers is good).

• Entity names are case-sensitive.

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