How to add comments in html

How to add comments to html: 1. Single-line comments, in the format [4a249f0d628e2318394fd9b75b4636b1..473f0a7621bec819994bb5020d29372a]; 2. Multi-line comments, in the format [5bc5f90fdfa632f0e2c19172ddd87a4c]; 3. Conditional comments, the format is [4ec11beb6c39d0703d1751d203c17053..2cacc6d41bbb37262a98f745aa00fbf0].

The operating environment of this tutorial: windows7 system, html5 version, DELL G3 computer.

How to add comments to html:

1. Single-line comments

<h1>html 注释标签的详细介绍</h1><!-- 文章标题-->

Description: You can tell at a glance through the comments that the title of the article is in front of it.

2. Multi-line comments

<!--
<p>这是文章的一个段落</p>
<p>这是文章的一个段落</p>
-->

Description: When there are bugs in the code, you can use comment tags to troubleshoot!

3. Conditional comments

<script type="text/javascript">
<!--
这是一段JavaScript代码
//-->
</script>

Related learning recommendations: html video tutorial

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