What are html comments?

The comments in

html are codes that are not executed by the program. They are used by programmers to mark the code and are helpful for later modifications and learning by others. [】The comment tag is used to insert comments in the source document. The comments will not be displayed in the browser.

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

html comments are code that is not executed by the program. It is used by programmers to mark code, which is helpful for later modifications and learning by others.

Comment tags are used in source code Insert comments into the document and the comments will not be displayed in the browser.

We often have to make some HTML comments next to some codes. This has many benefits, such as: it facilitates other programmers in the project team to understand your code, and it also facilitates your understanding and understanding of your own code in the future. Modifications, etc.

You can add your own comments to the HTML document. Comments are not displayed on the page and can be used to remind web designers to recall relevant program information. The comment line is written as follows:

<!--The following table gives us precise control of figure placement.-->

Note: There must be two hyphens after the exclamation point and two hyphens before the greater than sign. Some browsers strictly check this.

As you can see, the content commented with "" will not be displayed in the browser. The comment tag is used to insert comments in the source code, and the content of the comments will not be displayed in the browser. Commenting the key code will help you understand the source code you wrote at that time in the future.

When writing HTML code, we often need to make comments next to some key codes. This has many benefits, such as: it is easier to understand, easier to find, or easier for other programmers in the project team to understand your code. , and it will make it easier for you to modify your code in the future.

Commenting critical code is a good habit. When developing a website or functional module, code comments are particularly important. Because the code at that time was often hundreds or even thousands of lines, if you did not comment on the key code, you would often feel dizzy and even unable to understand the code you wrote at that time.

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