您如何在HTML中添加評論？

HTML註釋使用<!-- -->語法，瀏覽器會忽略其中的內容。 1. 用於添加說明，如<!-- Navigation menu starts here -->；2. 可臨時註釋代碼，如<!--

隱藏內容

You add comments in HTML using a specific syntax that tells the browser to ignore the content between the comment tags. This is useful for adding notes, explanations, or temporarily disabling parts of your code without deleting them.

How to Write an HTML Comment

To add a comment in HTML, use the following format:

 <!-- This is a comment -->

The comment starts with <!-- and ends with --> . Anything between these markers will not be displayed on the webpage.

Examples and Common Uses

1. Adding a note for clarity

 <!-- Navigation menu starts here -->
<nav>
  <ul>
    <li><a href="#home">Home</a></li>
    <li><a href="#about">About</a></li>
  </ul>
</nav>
<!-- Navigation menu ends -->

2. Commenting out code during testing

 <p>This paragraph is visible.</p>
<!-- <p>This one is hidden because it&#39;s commented out</p> -->

3. Multi-line comments You can span comments across multiple lines:

 <!--
  This section contains the footer content.
  It includes links and copyright info.
  Do not remove unless instructed.
-->
<footer>
  <p>&copy; 2024 My Website</p>
</footer>

Important Notes

• Comments are not visible to users on the webpage, but they can be seen by anyone who views the page source.
• You cannot nest HTML comments. For example, this will cause issues:

   <!-- Outer comment <!-- Inner comment --> -->

• Avoid putting --> inside the comment, as it may break the comment prematurely.

Basically, just wrap your notes or code snippets in <!-- --> , and you're good to go.

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