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In HTML, how to use the & ltscape label

2025-04-05 Update From: SLTechnology News&Howtos shulou NAV: SLTechnology News&Howtos > Development >

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Editor to share with you how to use the tags in HTML, I believe most people do not know much about it, so share this article for your reference, I hope you can learn a lot after reading this article, let's go to know it!

Definition and usage

The declaration must be the first line of the HTML document, before the tag. (recommended study: HTML getting started tutorial)

The declaration is not a HTML tag; it is an instruction to the web browser about which version of HTML the page is written in.

In HTML4.01, the declaration references DTD because HTML4.01 is based on SGML. DTD specifies the rules of the markup language so that browsers can render content correctly.

HTML5 is not based on SGML, so there is no need to reference DTD.

Tip: always add a declaration to the HTML document so that the browser can know the document type.

The difference between HTML4.01 and HTML5

There are three kinds of declarations in HTML4.01. There is only one type of HTML5:

Case study

The title of the document

The contents of the document.

The above is all the content of the article "how to use tags in HTML". Thank you for reading! I believe we all have a certain understanding, hope to share the content to help you, if you want to learn more knowledge, welcome to follow the industry information channel!

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