Table of Contents
1. Root element
2. Metadata element
3. Script element
4. Block elements
1. List elements
2. Table elements
5. Text elements
1. Text formatting elements
2. "Computer output" tag
3. References, citations and term definitions
6. Links and Images
7. <div> and <span>
8. Frame
9. , Inline frame
10. Form elements
Home Web Front-end HTML Tutorial Back-end coders talk about front-end (HTML) Lesson 2: Common elements_html/css_WEB-ITnose

Back-end coders talk about front-end (HTML) Lesson 2: Common elements_html/css_WEB-ITnose

Jun 24, 2016 am 11:48 AM

1. Root element

定义文档类型。
定义 HTML 文档。

2. Metadata element

定义关于文档的信息。
定义关于 HTML 文档的元数据。
定义文档与外部资源之间的关系,一般用于引入样式表。
定义页面上所有链接的默认地址或默认目标。
</td> <td>定义文档标题。</td> </tr> <tr> <td><style></td> <td>定义文档的样式信息。</td> </tr> </table> <h3 id="Script-element">3. Script element </h3> <table> <tr> <td><script></td> <td>定义客户端脚本。</td> </tr> <tr> <td><noscript></td> <td>定义当浏览器不支持脚本的时候所显示的内容</td> </tr> </table> <h3 id="Block-elements"> 4. Block elements </h3> <table> <tr> <td><body></td> <td>定义文档的主体。</td> </tr> <tr> <td><h1>、<h2>...<h6></td> <td>定义文档标题。</td> </tr> <tr> <td><p></td> <td>定义文档段落。</td> </tr> <tr> <td><blockquote></td> <td>定义块引用。</td> </tr> <tr> <td><ul>、<ul>、<dl></td> <td>定义列表。</td> </tr> <tr> <td><table></td> <td>定义表格。</td> </tr> </table> <h4 id="List-elements"> 1. List elements </h4> <li>Unordered list <table> <tr> <td><ul></td> <td>定义无序的列表。</td> </tr> <tr> <td><li></td> <td>定义列表项。</td> </tr> </table> </li> <li>Ordered list <table> <tr> <td><ol></td> <td>定义有序的列表。</td> </tr> <tr> <td><li></td> <td>定义列表项。</td> </tr> </table> </li> <li>Definition list<table> <tr> <td><dl></td> <td>定义定义列表。</td> </tr> <tr> <td><dt></td> <td>定义定义术语。</td> </tr> <tr> <td><dd></td> <td>定义定义描述。</td> </tr> </table> </li> <h4 id="Table-elements">2. Table elements </h4> <table> <tr> <td><table></td> <td>定义表格。</td> </tr> <tr> <td><thead></td> <td>定义表格的页眉。</td> </tr> <tr> <td><tbody></td> <td>定义表格的主体。</td> </tr> <tr> <td><tfoot></td> <td>定义表格的页脚。</td> </tr> <tr> <td><th></td> <td>定义表格的表头行。</td> </tr> <tr> <td><tr></td> <td>定义表格的行。</td> </tr> <tr> <td><td></td> <td>定义表格单元。</td> </tr> </table> <h3 id="Text-elements">5. Text elements </h3> <h4 id="Text-formatting-elements">1. Text formatting elements </h4> <table> <tr> <td><em></td> <td>定义着重文字。</td> </tr> <tr> <td><strong></td> <td>定义加重语气。</td> </tr> <tr> <td><sup></td> <td>定义上标字。</td> </tr> <tr> <td><sub></td> <td>定义下标字。</td> </tr> <tr> <td><ins></td> <td>定义插入字。</td> </tr> <tr> <td><del></td> <td>定义删除字。</td> </tr> <tr> <td><b></td> <td>定义粗体文本。</td> </tr> <tr> <td><i></td> <td>定义斜体文本。</td> </tr> <tr> <td><big></td> <td>定义大号字。</td> </tr> <tr> <td><small></td> <td>定义小号字。</td> </tr> </table> <h4 id="Computer-output-tag">2. "Computer output" tag </h4> <table> <tr> <td><code></td> <td>定义计算机代码。</td> </tr> <tr> <td><kbd></td> <td>定义键盘码。</td> </tr> <tr> <td><pre class="brush:php;toolbar:false"></td> <td>定义预格式文本。</td> </tr> </table> <h4 id="References-citations-and-term-definitions">3. References, citations and term definitions </h4> <table> <tr> <td><q></td> <td>定义简短引用。</td> </tr> <tr> <td><blockquote></td> <td>定义长引用。</td> </tr> <tr> <td><address></td> <td>定义地址。</td> </tr> </table> <h3 id="Links-and-Images">6. Links and Images</h3> <table> <tr> <td><a></td> <td>定义超链接</td> </tr> <tr> <td><img></td> <td>定义图像。</td> </tr> <tr> <td><map></td> <td>定义图像地图。</td> </tr> <tr> <td><area></td> <td>定义图像地图中的可点击区域。</td> </tr> </table> <h3 id="lt-div-gt-and-lt-span-gt">7. <div> and <span></h3> <table> <tr> <td><div></td> <td>定义文档中的分区或节(division/section)。</td> </tr> <tr> <td><span></td> <td>定义 span,用来组合文档中的行内元素。</td> </tr> </table> <h3 id="Frame">8. Frame</h3> <table> <tr> <td><frameset></td> <td>定义如何将窗口分割为框架。(注:<frameset>元素只能嵌套在<html> 元素或<frameset>元素自身中!)</td> </tr> <tr> <td><frame></td> <td>定义放置在每个框架中的 HTML 文档。</td> </tr> </table> <h3 id="Inline-frame">9. , Inline frame </h3> <table> <tr> <td><iframe></td> <td>定义内联的子窗口(框架)。</td> </tr> </table> <h3 id="Form-elements">10. Form elements </h3> <table> <tr> <td><form></td> <td>定义供用户输入的表单。</td> </tr> <tr> <td><input></td> <td>定义输入域。</td> </tr> <tr> <td><textarea></td> <td>定义文本域 (一个多行的输入控件)。</td> </tr> <tr> <td><lable></td> <td>定义一个控制的标签。</td> </tr> <tr> <td><select></td> <td>定义一个选择列表。</td> </tr> <tr> <td><option></td> <td>定义下拉列表中的选项。</td> </tr> <tr> <td><optgroup></td> <td>定义选项组。</td> </tr> <tr> <td><button></td> <td>定义一个按钮。</td> </tr> <tr> <td><fieldset></td> <td>定义域。</td> </tr> <tr> <td><legend></td> <td>定义域的标题。</td> </tr> </table> <p class="sycode"></p> <p class="sycode"></p> <p class="sycode"> </p> <p class="sycode"></p> <p class="sycode"> </p> <p class="sycode"> </p> <p class="sycode"></p> <p class="sycode"></p> </div> </div> <div class="wzconShengming_sp"> <div class="bzsmdiv_sp">Statement of this Website</div> <div>The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn</div> </div> </div> <ins class="adsbygoogle" style="display:block" data-ad-format="autorelaxed" data-ad-client="ca-pub-5902227090019525" data-ad-slot="2507867629"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <div class="AI_ToolDetails_main4sR"> <ins class="adsbygoogle" style="display:block" data-ad-client="ca-pub-5902227090019525" data-ad-slot="3653428331" data-ad-format="auto" data-full-width-responsive="true"></ins> <script> (adsbygoogle = window.adsbygoogle || []).push({}); </script> <!-- <div class="phpgenera_Details_mainR4"> <div class="phpmain1_4R_readrank"> <div class="phpmain1_4R_readrank_top"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/hotarticle2.png" alt="" /> <h2>Hot Article</h2> </div> <div class="phpgenera_Details_mainR4_bottom"> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780570.html" title="R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780641.html" title="R.E.P.O. Best Graphic Settings" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. Best Graphic Settings</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796785841.html" title="Assassin's Creed Shadows: Seashell Riddle Solution" class="phpgenera_Details_mainR4_bottom_title">Assassin's Creed Shadows: Seashell Riddle Solution</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>1 weeks ago</span> <span>By DDD</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780520.html" title="R.E.P.O. How to Fix Audio if You Can't Hear Anyone" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. How to Fix Audio if You Can't Hear Anyone</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796785857.html" title="Where to find the Crane Control Keycard in Atomfall" class="phpgenera_Details_mainR4_bottom_title">Where to find the Crane Control Keycard in Atomfall</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>1 weeks ago</span> <span>By DDD</span> </div> </div> </div> <div class="phpgenera_Details_mainR3_more"> <a href="https://www.php.cn/article.html">Show More</a> </div> </div> </div> --> <div class="phpgenera_Details_mainR3"> <div class="phpmain1_4R_readrank"> <div class="phpmain1_4R_readrank_top"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/hottools2.png" alt="" /> <h2>Hot AI Tools</h2> </div> <div class="phpgenera_Details_mainR3_bottom"> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/ai/undresserai-undress" title="Undresser.AI Undress" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173411540686492.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="Undresser.AI Undress" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/ai/undresserai-undress" title="Undresser.AI Undress" class="phpmain_tab2_mids_title"> <h3>Undresser.AI Undress</h3> </a> <p>AI-powered app for creating realistic nude photos</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/ai/ai-clothes-remover" title="AI Clothes Remover" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173411552797167.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="AI Clothes Remover" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/ai/ai-clothes-remover" title="AI Clothes Remover" class="phpmain_tab2_mids_title"> <h3>AI Clothes Remover</h3> </a> <p>Online AI tool for removing clothes from photos.</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/ai/undress-ai-tool" title="Undress AI Tool" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173410641626608.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="Undress AI Tool" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/ai/undress-ai-tool" title="Undress AI Tool" class="phpmain_tab2_mids_title"> <h3>Undress AI Tool</h3> </a> <p>Undress images for free</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/ai/clothoffio" title="Clothoff.io" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173411529149311.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="Clothoff.io" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/ai/clothoffio" title="Clothoff.io" class="phpmain_tab2_mids_title"> <h3>Clothoff.io</h3> </a> <p>AI clothes remover</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/ai/ai-hentai-generator" title="AI Hentai Generator" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/ai_manual/001/246/273/173405034393877.jpg?x-oss-process=image/resize,m_fill,h_50,w_50" src="/static/imghw/default1.png" alt="AI Hentai Generator" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/ai/ai-hentai-generator" title="AI Hentai Generator" class="phpmain_tab2_mids_title"> <h3>AI Hentai Generator</h3> </a> <p>Generate AI Hentai for free.</p> </div> </div> </div> <div class="phpgenera_Details_mainR3_more"> <a href="https://www.php.cn/ai">Show More</a> </div> </div> </div> <script src="https://sw.php.cn/hezuo/cac1399ab368127f9b113b14eb3316d0.js" type="text/javascript"></script> <div class="phpgenera_Details_mainR4"> <div class="phpmain1_4R_readrank"> <div class="phpmain1_4R_readrank_top"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/hotarticle2.png" alt="" /> <h2>Hot Article</h2> </div> <div class="phpgenera_Details_mainR4_bottom"> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780570.html" title="R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. Energy Crystals Explained and What They Do (Yellow Crystal)</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780641.html" title="R.E.P.O. Best Graphic Settings" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. Best Graphic Settings</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796785841.html" title="Assassin's Creed Shadows: Seashell Riddle Solution" class="phpgenera_Details_mainR4_bottom_title">Assassin's Creed Shadows: Seashell Riddle Solution</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>1 weeks ago</span> <span>By DDD</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796780520.html" title="R.E.P.O. How to Fix Audio if You Can't Hear Anyone" class="phpgenera_Details_mainR4_bottom_title">R.E.P.O. How to Fix Audio if You Can't Hear Anyone</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>3 weeks ago</span> <span>By 尊渡假赌尊渡假赌尊渡假赌</span> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/1796785857.html" title="Where to find the Crane Control Keycard in Atomfall" class="phpgenera_Details_mainR4_bottom_title">Where to find the Crane Control Keycard in Atomfall</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <span>1 weeks ago</span> <span>By DDD</span> </div> </div> </div> <div class="phpgenera_Details_mainR3_more"> <a href="https://www.php.cn/article.html">Show More</a> </div> </div> </div> <div class="phpgenera_Details_mainR3"> <div class="phpmain1_4R_readrank"> <div class="phpmain1_4R_readrank_top"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/hottools2.png" alt="" /> <h2>Hot Tools</h2> </div> <div class="phpgenera_Details_mainR3_bottom"> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/toolset/development-tools/92" title="Notepad++7.3.1" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab96f0f39f7357.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="Notepad++7.3.1" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/toolset/development-tools/92" title="Notepad++7.3.1" class="phpmain_tab2_mids_title"> <h3>Notepad++7.3.1</h3> </a> <p>Easy-to-use and free code editor</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/toolset/development-tools/93" title="SublimeText3 Chinese version" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab97a3baad9677.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="SublimeText3 Chinese version" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/toolset/development-tools/93" title="SublimeText3 Chinese version" class="phpmain_tab2_mids_title"> <h3>SublimeText3 Chinese version</h3> </a> <p>Chinese version, very easy to use</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/toolset/development-tools/121" title="Zend Studio 13.0.1" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58ab97ecd1ab2670.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="Zend Studio 13.0.1" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/toolset/development-tools/121" title="Zend Studio 13.0.1" class="phpmain_tab2_mids_title"> <h3>Zend Studio 13.0.1</h3> </a> <p>Powerful PHP integrated development environment</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/toolset/development-tools/469" title="Dreamweaver CS6" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58d0e0fc74683535.jpg?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="Dreamweaver CS6" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/toolset/development-tools/469" title="Dreamweaver CS6" class="phpmain_tab2_mids_title"> <h3>Dreamweaver CS6</h3> </a> <p>Visual web development tools</p> </div> </div> <div class="phpmain_tab2_mids_top"> <a href="https://www.php.cn/toolset/development-tools/500" title="SublimeText3 Mac version" class="phpmain_tab2_mids_top_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" class="lazy" data-src="https://img.php.cn/upload/manual/000/000/001/58d34035e2757995.png?x-oss-process=image/resize,m_fill,h_50,w_72" src="/static/imghw/default1.png" alt="SublimeText3 Mac version" /> </a> <div class="phpmain_tab2_mids_info"> <a href="https://www.php.cn/toolset/development-tools/500" title="SublimeText3 Mac version" class="phpmain_tab2_mids_title"> <h3>SublimeText3 Mac version</h3> </a> <p>God-level code editing software (SublimeText3)</p> </div> </div> </div> <div class="phpgenera_Details_mainR3_more"> <a href="https://www.php.cn/ai">Show More</a> </div> </div> </div> <div class="phpgenera_Details_mainR4"> <div class="phpmain1_4R_readrank"> <div class="phpmain1_4R_readrank_top"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/hotarticle2.png" alt="" /> <h2>Hot Topics</h2> </div> <div class="phpgenera_Details_mainR4_bottom"> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/gmailyxdlrkzn" title="Where is the login entrance for gmail email?" class="phpgenera_Details_mainR4_bottom_title">Where is the login entrance for gmail email?</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/eyess.png" alt="" /> <span>7416</span> </div> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/tiezi.png" alt="" /> <span>15</span> </div> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/cakephp-tutor" title="CakePHP Tutorial" class="phpgenera_Details_mainR4_bottom_title">CakePHP Tutorial</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/eyess.png" alt="" /> <span>1359</span> </div> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/tiezi.png" alt="" /> <span>52</span> </div> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/steamdzhmcssmgs" title="What is the format of the account name of steam" class="phpgenera_Details_mainR4_bottom_title">What is the format of the account name of steam</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/eyess.png" alt="" /> <span>76</span> </div> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/tiezi.png" alt="" /> <span>11</span> </div> </div> </div> <div class="phpgenera_Details_mainR4_bottoms"> <a href="https://www.php.cn/faq/winactivationkeyper" title="win11 activation key permanent" class="phpgenera_Details_mainR4_bottom_title">win11 activation key permanent</a> <div class="phpgenera_Details_mainR4_bottoms_info"> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/eyess.png" alt="" /> <span>26</span> </div> <div class="phpgenera_Details_mainR4_bottoms_infos"> <img src="/static/imghw/tiezi.png" alt="" /> <span>19</span> </div> </div> </div> </div> <div class="phpgenera_Details_mainR3_more"> <a href="https://www.php.cn/faq/zt">Show More</a> </div> </div> </div> </div> </div> <div class="Article_Details_main2"> <div class="phpgenera_Details_mainL4"> <div class="phpmain1_2_top"> <a href="javascript:void(0);" class="phpmain1_2_top_title">Related knowledge<img src="/static/imghw/index2_title2.png" alt="" /></a> </div> <div class="phpgenera_Details_mainL4_info"> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796782758.html" title="What is the purpose of the <datalist> element?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/21/2025032112332857446.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What is the purpose of the <datalist> element?" /> </a> <a href="https://www.php.cn/faq/1796782758.html" title="What is the purpose of the <datalist> element?" class="phphistorical_Version2_mids_title">What is the purpose of the <datalist> element?</a> <span class="Articlelist_txts_time">Mar 21, 2025 pm 12:33 PM</span> <p class="Articlelist_txts_p">The article discusses the HTML &lt;datalist&gt; element, which enhances forms by providing autocomplete suggestions, improving user experience and reducing errors.Character count: 159</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796782759.html" title="What is the purpose of the <progress> element?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/21/2025032112342868456.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What is the purpose of the <progress> element?" /> </a> <a href="https://www.php.cn/faq/1796782759.html" title="What is the purpose of the <progress> element?" class="phphistorical_Version2_mids_title">What is the purpose of the <progress> element?</a> <span class="Articlelist_txts_time">Mar 21, 2025 pm 12:34 PM</span> <p class="Articlelist_txts_p">The article discusses the HTML &lt;progress&gt; element, its purpose, styling, and differences from the &lt;meter&gt; element. The main focus is on using &lt;progress&gt; for task completion and &lt;meter&gt; for stati</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796782760.html" title="What is the purpose of the <meter> element?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/21/2025032112352661331.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What is the purpose of the <meter> element?" /> </a> <a href="https://www.php.cn/faq/1796782760.html" title="What is the purpose of the <meter> element?" class="phphistorical_Version2_mids_title">What is the purpose of the <meter> element?</a> <span class="Articlelist_txts_time">Mar 21, 2025 pm 12:35 PM</span> <p class="Articlelist_txts_p">The article discusses the HTML &lt;meter&gt; element, used for displaying scalar or fractional values within a range, and its common applications in web development. It differentiates &lt;meter&gt; from &lt;progress&gt; and ex</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796782305.html" title="What is the viewport meta tag? Why is it important for responsive design?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/20/2025032017560614263.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What is the viewport meta tag? Why is it important for responsive design?" /> </a> <a href="https://www.php.cn/faq/1796782305.html" title="What is the viewport meta tag? Why is it important for responsive design?" class="phphistorical_Version2_mids_title">What is the viewport meta tag? Why is it important for responsive design?</a> <span class="Articlelist_txts_time">Mar 20, 2025 pm 05:56 PM</span> <p class="Articlelist_txts_p">The article discusses the viewport meta tag, essential for responsive web design on mobile devices. It explains how proper use ensures optimal content scaling and user interaction, while misuse can lead to design and accessibility issues.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796782318.html" title="What is the purpose of the <iframe> tag? What are the security considerations when using it?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/20/2025032018054766795.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What is the purpose of the <iframe> tag? What are the security considerations when using it?" /> </a> <a href="https://www.php.cn/faq/1796782318.html" title="What is the purpose of the <iframe> tag? What are the security considerations when using it?" class="phphistorical_Version2_mids_title">What is the purpose of the <iframe> tag? What are the security considerations when using it?</a> <span class="Articlelist_txts_time">Mar 20, 2025 pm 06:05 PM</span> <p class="Articlelist_txts_p">The article discusses the &lt;iframe&gt; tag's purpose in embedding external content into webpages, its common uses, security risks, and alternatives like object tags and APIs.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796780224.html" title="How do I use HTML5 form validation attributes to validate user input?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/17/2025031712273147081.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="How do I use HTML5 form validation attributes to validate user input?" /> </a> <a href="https://www.php.cn/faq/1796780224.html" title="How do I use HTML5 form validation attributes to validate user input?" class="phphistorical_Version2_mids_title">How do I use HTML5 form validation attributes to validate user input?</a> <span class="Articlelist_txts_time">Mar 17, 2025 pm 12:27 PM</span> <p class="Articlelist_txts_p">The article discusses using HTML5 form validation attributes like required, pattern, min, max, and length limits to validate user input directly in the browser.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796780220.html" title="What are the best practices for cross-browser compatibility in HTML5?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/17/2025031712203454598.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="What are the best practices for cross-browser compatibility in HTML5?" /> </a> <a href="https://www.php.cn/faq/1796780220.html" title="What are the best practices for cross-browser compatibility in HTML5?" class="phphistorical_Version2_mids_title">What are the best practices for cross-browser compatibility in HTML5?</a> <span class="Articlelist_txts_time">Mar 17, 2025 pm 12:20 PM</span> <p class="Articlelist_txts_p">Article discusses best practices for ensuring HTML5 cross-browser compatibility, focusing on feature detection, progressive enhancement, and testing methods.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796778165.html" title="How do I use the HTML5 <time> element to represent dates and times semantically?" class="phphistorical_Version2_mids_img"> <img onerror="this.onerror=''; this.src='/static/imghw/default1.png'" src="/static/imghw/default1.png" class="lazy" data-src="https://img.php.cn/upload/article/202503/12/2025031216051550326.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="How do I use the HTML5 <time> element to represent dates and times semantically?" /> </a> <a href="https://www.php.cn/faq/1796778165.html" title="How do I use the HTML5 <time> element to represent dates and times semantically?" class="phphistorical_Version2_mids_title">How do I use the HTML5 <time> element to represent dates and times semantically?</a> <span class="Articlelist_txts_time">Mar 12, 2025 pm 04:05 PM</span> <p class="Articlelist_txts_p">This article explains the HTML5 &lt;time&gt; element for semantic date/time representation. It emphasizes the importance of the datetime attribute for machine readability (ISO 8601 format) alongside human-readable text, boosting accessibilit</p> </div> </div> <a href="https://www.php.cn/web-designer.html" class="phpgenera_Details_mainL4_botton"> <span>See all articles</span> <img src="/static/imghw/down_right.png" alt="" /> </a> </div> </div> </div> </main> <footer> <div class="footer"> <div class="footertop"> <img src="/static/imghw/logo.png" alt=""> <p>Public welfare online PHP training,Help PHP learners grow quickly!</p> </div> <div class="footermid"> <a href="https://www.php.cn/about/us.html">About us</a> <a href="https://www.php.cn/about/disclaimer.html">Disclaimer</a> <a href="https://www.php.cn/update/article_0_1.html">Sitemap</a> </div> <div class="footerbottom"> <p> © php.cn All rights reserved </p> </div> </div> </footer> <input type="hidden" id="verifycode" value="/captcha.html"> <script>layui.use(['element', 'carousel'], function () {var element = layui.element;$ = layui.jquery;var carousel = layui.carousel;carousel.render({elem: '#test1', width: '100%', height: '330px', arrow: 'always'});$.getScript('/static/js/jquery.lazyload.min.js', function () {$("img").lazyload({placeholder: "/static/images/load.jpg", effect: "fadeIn", threshold: 200, skip_invisible: false});});});</script> <script src="/static/js/common_new.js"></script> <script type="text/javascript" src="/static/js/jquery.cookie.js?1744059251"></script> <script src="https://vdse.bdstatic.com//search-video.v1.min.js"></script> <link rel='stylesheet' id='_main-css' href='/static/css/viewer.min.css?2' type='text/css' media='all' /> <script type='text/javascript' src='/static/js/viewer.min.js?1'></script> <script type='text/javascript' src='/static/js/jquery-viewer.min.js'></script> <script type="text/javascript" src="/static/js/global.min.js?5.5.53"></script> <script> var _paq = window._paq = window._paq || []; /* tracker methods like "setCustomDimension" should be called before "trackPageView" */ _paq.push(['trackPageView']); _paq.push(['enableLinkTracking']); (function () { var u = "https://tongji.php.cn/"; _paq.push(['setTrackerUrl', u + 'matomo.php']); _paq.push(['setSiteId', '9']); var d = document, g = d.createElement('script'), s = d.getElementsByTagName('script')[0]; g.async = true; g.src = u + 'matomo.js'; s.parentNode.insertBefore(g, s); })(); </script> <script> // top layui.use(function () { var util = layui.util; util.fixbar({ on: { mouseenter: function (type) { layer.tips(type, this, { tips: 4, fixed: true, }); }, mouseleave: function (type) { layer.closeAll("tips"); }, }, }); }); document.addEventListener("DOMContentLoaded", (event) => { // 定义一个函数来处理滚动链接的点击事件 function setupScrollLink(scrollLinkId, targetElementId) { const scrollLink = document.getElementById(scrollLinkId); const targetElement = document.getElementById(targetElementId); if (scrollLink && targetElement) { scrollLink.addEventListener("click", (e) => { e.preventDefault(); // 阻止默认链接行为 targetElement.scrollIntoView({ behavior: "smooth" }); // 平滑滚动到目标元素 }); } else { console.warn( `Either scroll link with ID '${scrollLinkId}' or target element with ID '${targetElementId}' not found.` ); } } // 使用该函数设置多个滚动链接 setupScrollLink("Article_Details_main1L2s_1", "article_main_title1"); setupScrollLink("Article_Details_main1L2s_2", "article_main_title2"); setupScrollLink("Article_Details_main1L2s_3", "article_main_title3"); setupScrollLink("Article_Details_main1L2s_4", "article_main_title4"); setupScrollLink("Article_Details_main1L2s_5", "article_main_title5"); setupScrollLink("Article_Details_main1L2s_6", "article_main_title6"); // 可以继续添加更多的滚动链接设置 }); window.addEventListener("scroll", function () { var fixedElement = document.getElementById("Article_Details_main1Lmain"); var scrollTop = window.scrollY || document.documentElement.scrollTop; // 兼容不同浏览器 var clientHeight = window.innerHeight || document.documentElement.clientHeight; // 视口高度 var scrollHeight = document.documentElement.scrollHeight; // 页面总高度 // 计算距离底部的距离 var distanceToBottom = scrollHeight - scrollTop - clientHeight; // 当距离底部小于或等于300px时,取消固定定位 if (distanceToBottom <= 980) { fixedElement.classList.remove("Article_Details_main1Lmain"); fixedElement.classList.add("Article_Details_main1Lmain_relative"); } else { // 否则,保持固定定位 fixedElement.classList.remove("Article_Details_main1Lmain_relative"); fixedElement.classList.add("Article_Details_main1Lmain"); } }); </script> </body> </html>