What are XHTML tags?
XHTML tag elements are the basic building blocks of XHTML documents. XHTML tags can be understood as the tags used by the XHTML language to define "what this is, what that is" in an XHTML document.
XHTML tags are keywords surrounded by angle brackets, often appearing in pairs, such as . This tag indicates that this is an hmtl (xhtml) document. The first tag in a tag pair is the start tag, and the second tag is the end tag.
There are also a small number of tags that are not paired or have no end tags, such as line break tags
.
Close XHTML tags
In the XHTML specification, all tags must be closed. Usually paired tags are closed with a closing tag, and unpaired tags are closed with a space plus />, such as
.
Although browsers can recognize unclosed tags, closing tags is necessary from a regulatory and long-term perspective.
Commonly used XHTML tags
tag
This tag indicates that this is an hmtl (xhtml) document. Except for the XHTML file type declaration, everything else All XHTML tag elements must be embedded within this tag.
XML/HTML CodeCopy content to clipboard
- <html>
-
<head> ... head>
-
<body>
-
<p>Text paragraphs and other text contentsp>
-
body>
-
html>
tag
indicates the header information of the XHTML document. This information is usually required by the browser and for XHTML Additional description of the document, such as CSS styles or other script information loaded by the document.
tag
This tag defines the title of the entire XHTML document and is used to display in the title bar at the top of the browser window. This tag is nested in < ;head>.
XML/HTML CodeCopy content to clipboard
- <head>
-
<title>XHTML Tag - XHTML Tutorialtitle>
-
head>
-
<body>body> Tags
As the name suggests, this tag describes the body content of the XHTML document, and all the body content that needs to be displayed is included in this tag.
XHTML title
XHTML document title is divided into 6 levels, defined by
- respectively.
XML/HTML CodeCopy content to clipboard
- <h1>Level 1 title h1>
-
<h1>Level 2 title h1>
-
<h1>Third-level heading h1>
Note that this title is not a
title, but typically <h1> is at its core equivalent to <title> </p>
<p><strong>XHTML paragraph<br></strong>XHTML paragraph is defined by the <p></p> tag: <br></p>
<div class="codeText">
<div class="codeHead">
<span class="lantxt">XML/HTML Code</span><span style="CURSOR: pointer" class="copyCodeText" onclick="copyIdText('code_4556')">Copy content to clipboard</span>
</div>
<div id="code_4556">
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><</span><span class="tag-name">p</span><span class="tag">></span><span>This is a paragraph</span><span class="tag"></</span><span class="tag-name">p</span><span class="tag">></span><span> </span></span></li>
</ol>
</div>
</div>
<p><strong>XHTML hyperlink<br></strong>XHTML hyperlink is defined by the <a></a> tag: <br></p>
<div class="codeText">
<div class="codeHead">
<span class="lantxt">XML/HTML Code</span><span style="CURSOR: pointer" class="copyCodeText" onclick="copyIdText('code_2790')">Copy content to clipboard</span>
</div>
<div id="code_2790">
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><</span><span class="tag-name">a</span><span> </span><span class="attribute">href</span><span>=</span><span class="attribute-value">"http://www .jb51.net"</span><span class="tag">></span><span>5iDev Web Development Online Tutorial</span><span class="tag"></</span><span class="tag-name">a</span><span class="tag">></span><span> </span></span></li>
</ol>
</div>
</div>
<p><strong>XHTML images<br></strong>XHTML images are defined with the <img> tag: <br></p>
<div class="codeText">
<div class="codeHead">
<span class="lantxt">XML/HTML Code</span><span style="CURSOR: pointer" class="copyCodeText" onclick="copyIdText('code_4498')">Copy content to clipboard</span>
</div>
<div id="code_4498">
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><</span><span class="tag-name">img</span><span> </span><span class="attribute">src</span><span>=</span><span class="attribute-value">"flower.jpg"</span><span> </span><span class="attribute">alt</span><span>=</span><span class="attribute-value">"花"</span><span> </span><span class="tag">/></span><span> </span></span></li>
</ol>
</div>
</div>
<p>In this tag, provide the image source with the src attribute, and the tag will display the flower.jpg image in the browser. </p>
<p><strong>XHTML form<br></strong>XHTML form is used to collect user input information, such as user comments, etc. The form is defined by <form></form>: <br></p>
<div class="codeText">
<div class="codeHead">
<span class="lantxt">XML/HTML Code</span><span style="CURSOR: pointer" class="copyCodeText" onclick="copyIdText('code_8737')">Copy content to clipboard</span>
</div>
<div id="code_8737">
<ol class="dp-xml">
<li class="alt"><span><span class="tag"><</span><span class="tag-name">form</span><span class="tag">></span><span> </span></span></li>
<li><span>Various form elements (text fields, drop-down lists, radio buttons, check boxes, etc.) </span></li>
<li class="alt">
<span></span><span class="tag"></</span><span class="tag-name">form</span><span class="tag">></span><span> </span>
</li>
</ol>
</div>
</div>
</div>
</div>
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