How to comment code in html

The function of HTML comment code is relatively simple. It can help developers add comments in HTML files to facilitate reading and understanding the function of the code. In this article, we will take a deep dive into HTML comment code and learn how to use it to improve coding efficiency and manage code.

1. The basic concept of HTML comment code

HTML comment code marks a piece of text as a comment. This text will not be rendered by the browser, but only when viewing the HTML source code. Only then can you see it. This feature is very useful for debugging and collaboration, allowing you to add comments, instructions, signatures and other information to the code.

HTML comment code uses added at the beginning and end of the comment respectively, indicating that this code is a comment. For example:

Since the HTML comment code will not be rendered by the browser, how do you see these comments in actual use? You can use your browser's developer tools to view comments in the HTML source code.

2. Usage scenarios of HTML comment code

1. Add notes and instructions

HTML comment code can add comments, instructions and notes about the code to facilitate other developers It's easier to understand what the code does when you look at it. For example:

2. Debugging code

When a problem occurs, you can use HTML comment code to comment part or all of the code to troubleshoot the problem. For example:

3. Improve coding efficiency

Commenting the code with HTML can be fast Insert some template or module code to reduce copy and paste when coding. For example:

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