<h1> - <h6> tags define titles. <h1> defines the largest heading. <h6> defines the smallest heading

The body element contains all the content of the document (such as text, hyperlinks, images, tables, lists, etc.)

Introduce script

Attribute type; src specifies the URL of the external file

Such as <script type="text/javascript async="" src="">alert('hello');</script>

<title>XHTML Tag Reference</title>

Import style files

Such as <link rel="stylesheet" type="text/css" href=""/>

Attribute relThe relationship between the current document and the linked document type;href;media is displayed on what device

Define default link address

Attribute href; target link mode, whether it is the current page or a new blank page

Such as <base href=""/>;<base target="_blank"/>

Provides explanatory information for the page; convenient for SEO and search engine optimization

Value content; http-equiv associates the value with the HTTP header; name associates the value with a name; scheme translation format

Such as <meta http-equiv="expires" content="31 Dec 2015"/>

Such as <meta http-equiv="content-type" content="text/html;charset=utf-8"/>

Define the style, which contains css style information

Attribute type; media defines what media the style sheet should be applied to;

Such as <style type="text/css">p{color:blue}</style>

define paragraph

It can be plain text, or it can have other tags.

Define document partition; range is larger than p tag

It can be plain text, or it can have other tags.

Represents inline elements in the document; it is convenient to change style information for selected inline elements

Block-level elements such as div, p, h1 occupy a complete block or line.

Inline elements such as span, a, and img are used within block-level elements and only occupy the actual width.

define a hyperlink

Attributes: Required href link target web page; optional target defines how to open the link, title defines the link name to facilitate knowing the purpose of the link

For example, <a href="" target="_blank" title="Check it out">Check it out on Baidu</a>

Embed an image

Attributes: Required src defines the URL of the image, alt defines the text information displayed when the image cannot be displayed; optional width, height

unordered list

Each list item<li></li>

ordered list

Each list item<li></li>

sheet

<th></th>Header

<tr></tr> represents row;

<td></td> represents the columns in tr

colspan merges n cells horizontally, colspan="" is placed in th and td start tags

rowspan merges n cells vertically

Forms, such as login, registration and submission are forms

The attribute action indicates where the form is submitted; method indicates the method of form submission, post or get.

<input/>Single line input box

<label></label>

<textarea></textarea>Multi-line text input box

<select></select>Drop-down selection box

For example, <form action="" method="get"> Email: <input type="text" name="email"/><br/> Name: <input type="text" name="name"/>< br/> <input type="reset" value="Reset"/> <input type="submit" value="Submit"/></form>

<button></button>Define button

Embed a document/webpage

Attributes src, width, height

When the mouse is parked on an abbreviation, it indicates the meaning of the abbreviation or abbreviation, providing useful information for browsers, spelling abbreviations and search engines.

attributetitle

Center included text horizontally

Emphasize part of the text, with a bold effect

Represents a list that can be used for explanatory content

<dt></dt> represents the list title

<dd></dd> represents the list item description