Comments in CSS are used to add descriptive text in the style sheet without affecting its style. There are two syntaxes: single-line // and multi-line / */. Comments are widely used to document code, mark important parts, deactivate code, and record changes. Best practices include keeping it simple, placing it wisely, keeping terminology consistent, and avoiding duplication.
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Comments in CSS
CSS comments are used to add descriptive text to a style sheet without affect its style. Comments are useful for documentation, explaining the purpose of the code, or marking important sections.
Comment syntax
There are two comment syntaxes in CSS:
-
Single-line comments: Start with two slashes Begins with a bar ( // ) and continues until the end of the line. For example:
// 这是单行注释
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- Multi-line comments: starts with / and ends with /. Comment content can span multiple lines. For example:
/*
这是
多行注释
*/
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Comment uses
Comments have a wide range of uses in CSS, including:
-
Documentation Transformation code: Explain the purpose and use of CSS code.
-
Mark important parts: Highlight key parts or reminders in the code.
-
Disable code: Temporarily disable a block of code so that it can be tested or debugged.
-
Record changes: Trace changes and updates to CSS code.
Best Practices
When using CSS comments, follow some best practices:
-
Keep Conciseness: Comments should be concise and to the point, providing necessary explanations without being lengthy.
-
Placement wise: Comments should be placed adjacent to the code they describe.
-
Use terminology consistently: Use terminology and formatting consistently to improve the readability of comments.
-
Avoid duplication: Avoid including obvious information in comments, such as the type of a variable or function.
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