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In this article Xiaobian for you to introduce in detail "HTML tag case-sensitive", the content is detailed, the steps are clear, the details are handled properly, I hope this "HTML tag case-sensitive" article can help you solve your doubts, the following follow the editor's ideas slowly in-depth, together to learn new knowledge.

1. HTML tags are case-insensitive and are the same, but lowercase is recommended because most programmers use lowercase.

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An HTML file has its own fixed structure.

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Code explanation:

1. It is called the root tag, and all web page tags are in.

two。 The tag is used to define the header of the document, which is the container for all header elements. The header elements have tags such as, and so on, which are described in more detail in the next section.

3. The content between and tags is the main content of the web page, such as,

、 、

And other web page content tags, the content in the tags here will be displayed in the browser.

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1. The following tags can be used in the head section:

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2, code comments not only facilitate programmers to recall the use of the previous code, but also help other programmers quickly understand the functions of your program, and facilitate many people to cooperate in the development of web code.

Syntax:

3Perfect CSS comment code

Just like comments in Html, there are comment statements in CSS: marked with / * comment statements * / (used in Html)

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1, semantics: the popular point is to understand the purpose of each tag (under what circumstances can I use this tag to make sense), for example, the title of an article on a web page has to use a title tag, and the column names of each column on a web page can also use a title tag.

2. The function of semantics.

1)。 It is easier to be included by search engines.

2)。 It is easier for screen readers to read the contents of the web page.

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