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In this article, the editor introduces "how to write cube in html" in detail, the content is detailed, the steps are clear, and the details are handled properly. I hope this article "how to write cube in html" can help you solve your doubts.

Html5 grammar rules

The label should be lowercase.

The attribute value does not add "" or'".

Some tags can be omitted

Html body head tbody

Some closing tags can be omitted

Tr td li

There is no need to add a closing tag to a single label.

Img input

Abrogated label

Font center big

Newly added label

Html5 adds tags, semantic features-document declaration

Definition and usage

The declaration must be on the first line of the HTML5 document, that is, before the tag. This tag tells the browser the HTML specification used by the document.

The doctype declaration does not belong to the HTML tag; it is an instruction that tells the browser the version of the tag used to write the page.

It is important to specify doctype in all HTML documents so that browsers can understand the expected document type.

Doctype in HTML 4.01 requires a reference to DTD because HTML 4.01 is based on SGML. HTML 5 is not based on SGML, so there is no need to reference DTD, but doctype is needed to regulate the behavior of browsers (let browsers run the way they should).

Html5 adds tags, semantic features-structural tags

Structural tags (construct tag) are mainly responsible for defining the context structure of Web and ensuring the integrity of HTML documents. Such tags include the following.

Section . Used to express a part or chapter of a book, or a section within a chapter. In Web page applications, this tag can also be used for section representation of areas.

Hgroup combines the title of a page or section (section):.

Header . The header on the main body of the page, which is different from the head tag. Here's a tip for beginners: the content in the head tag is often invisible, while the header tag is often in a pair of body tags.

Footer . The bottom of the page (footer). Usually, people will mark some relevant information about the website here, such as about us, legal statements, e-mail messages, administrative portals, etc.

Nav . Is specially used for menu navigation, link navigation tags, is the abbreviation of navigator.

Article . Used to represent the main content of an article, usually the area displayed in a text set

Html5 adds tags, semantic features-hierarchical chunking tags

Block tags (block tag) mainly complete the division of Web page areas to ensure effective separation of content, such tags include the following.

Aside . Used to express notes, tips, sidebars, summaries, inserted citations, etc., as supplementary subjects. From a simple page display, it is the sidebar, either on the left or on the right. From a partial point of view of a page, it is a summary.

The figure tag specifies independent streaming content, which is usually used in conjunction with figcaption.

Code . Represents a block of code.

Dialog conversation tags are used with dt dd tags

Html5 adds tags, semantic features-inline tags

Inline semantic tags (in-line tag) are mainly used to reference and express the specific content of Web pages, which is the basis of rich content display. Such tags include the following.

Meter . Represents a numerical value within a specific range, and can be used for wages, quantities, percentages, etc. Max represents the maximum value, min represents the minimum value, and value represents the current value.

Time . Represents the time value, and the attribute datetime emphasizes time

Progress . Used to represent a progress bar

Html5 adds tags, semantic features-multimedia tags

Multimedia label

Video . Video tags, used to support and implement direct playback of video (including video streams) files, support buffer preloading and a variety of video media formats, such as MPEG-4, OggV and WebM.

Audio . Audio tags, used to support and implement direct playback of audio (audio stream) files, support buffer preloading and a variety of audio media formats.

Html5 adds tags, semantic features-list tags

List label

The tag defines the list of options. Use this element with the input element to define possible values for input. Datalist and its options will not be displayed, it is just a list of legal input values.

All major browsers support tags, except Internet Explorer and Safari.

Html5 adds tags, semantic features-interactive tags

Interactive label

Interactive tags (interactive tag) are mainly used for functional content expression, there will be a certain correlation between content and data, is the basis of various events, such tags include the following.

Menu . Mainly used for interactive menus (this is a tag that was abandoned and now re-enabled).

Command . Used to process command buttons.

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