html code meaning
HTML is the abbreviation of HyperText Markup Language and is a standard language for creating web pages. HTML consists of a series of tags (tags) that describe the structure, style, and content of a document. The following are some commonly used HTML tags and their meanings:
- : Document type declaration, used to specify the HTML document version.
- : The root element of the HTML document.
- : Contains metadata information of the web page, such as title, keywords, style sheet, etc.
: Web page title tag, displayed on the browser tab. </li> <li><body>: Contains the main content of the web page, such as text, pictures, tables, etc. </li> <li><h1> - <h6>: Title tags, descending from the main title to the secondary title. </li> <li><p>: Paragraph mark, indicating a paragraph of text. </li> <li><a>: Anchor tag, used to create links. The href attribute specifies the target address of the link, which can be another web page, file, or email address. </a></li> <li><img>: Image tag, used to add images to web pages. The src attribute specifies the address of the image, and the alt attribute specifies the text to be displayed when the image cannot be displayed. </li> <li><ul>: Unordered list tag, indicating an unordered list. Each item is marked with <li>. </li> <li><ol>: ordered list tag, indicating an ordered list. Each item is marked with <li>. </li> <li><table>: Table tag, used to create tables. Each row is marked with <tr>, and each column is marked with <td> or </td> <th>. <li><form>: Form tag, used to create input forms. The action attribute specifies the target address for form submission, and the method attribute specifies the request method. </li> <li><input>: Form control tag, used to create various input boxes, such as text boxes, radio boxes, check boxes, etc. The type attribute specifies the input box type, and the name attribute specifies the form field name. </li> <p>The role of HTML is to provide structured elements and tags for web pages so that browsers can correctly parse and render web page content. With the continuous development of HTML, new tags and functions are constantly added, making the presentation of web pages more diverse and enriched. At the same time, HTML also needs to be used in conjunction with CSS, JavaScript and other languages to create a more beautiful and functional website. </p> </th> </tr> </table></li> </ol><p>The above is the detailed content of html code meaning. For more information, please follow other related articles on the PHP Chinese website!</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. 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Function components are simpler and class components provide more life cycle methods. 3) The working principle of React relies on virtual DOM and reconciliation algorithm to improve performance. 4) State management uses useState or this.state, and life cycle methods such as componentDidMount are used for specific logic. 5) Basic usage includes creating components and managing state, and advanced usage involves custom hooks and performance optimization. 6) Common errors include improper status updates and performance issues, debugging skills include using ReactDevTools and Excellent</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796792962.html" title="React Components: Creating Reusable Elements in HTML" 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/001/253/068/174410599287629.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React Components: Creating Reusable Elements in HTML" /> </a> <a href="https://www.php.cn/faq/1796792962.html" title="React Components: Creating Reusable Elements in HTML" class="phphistorical_Version2_mids_title">React Components: Creating Reusable Elements in HTML</a> <span class="Articlelist_txts_time">Apr 08, 2025 pm 05:53 PM</span> <p class="Articlelist_txts_p">React components can be defined by functions or classes, encapsulating UI logic and accepting input data through props. 1) Define components: Use functions or classes to return React elements. 2) Rendering component: React calls render method or executes function component. 3) Multiplexing components: pass data through props to build a complex UI. The lifecycle approach of components allows logic to be executed at different stages, improving development efficiency and code maintainability.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796793654.html" title="React and the Frontend Stack: The Tools and Technologies" 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/001/253/068/174424886224292.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React and the Frontend Stack: The Tools and Technologies" /> </a> <a href="https://www.php.cn/faq/1796793654.html" title="React and the Frontend Stack: The Tools and Technologies" class="phphistorical_Version2_mids_title">React and the Frontend Stack: The Tools and Technologies</a> <span class="Articlelist_txts_time">Apr 10, 2025 am 09:34 AM</span> <p class="Articlelist_txts_p">React is a JavaScript library for building user interfaces, with its core components and state management. 1) Simplify UI development through componentization and state management. 2) The working principle includes reconciliation and rendering, and optimization can be implemented through React.memo and useMemo. 3) The basic usage is to create and render components, and the advanced usage includes using Hooks and ContextAPI. 4) Common errors such as improper status update, you can use ReactDevTools to debug. 5) Performance optimization includes using React.memo, virtualization lists and CodeSplitting, and keeping code readable and maintainable is best practice.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796797862.html" title="React's Ecosystem: Libraries, Tools, and Best Practices" 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/001/253/068/174490703214638.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React's Ecosystem: Libraries, Tools, and Best Practices" /> </a> <a href="https://www.php.cn/faq/1796797862.html" title="React's Ecosystem: Libraries, Tools, and Best Practices" class="phphistorical_Version2_mids_title">React's Ecosystem: Libraries, Tools, and Best Practices</a> <span class="Articlelist_txts_time">Apr 18, 2025 am 12:23 AM</span> <p class="Articlelist_txts_p">The React ecosystem includes state management libraries (such as Redux), routing libraries (such as ReactRouter), UI component libraries (such as Material-UI), testing tools (such as Jest), and building tools (such as Webpack). These tools work together to help developers develop and maintain applications efficiently, improve code quality and development efficiency.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796797340.html" title="Frontend Development with React: Advantages and Techniques" 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/001/253/068/174482071229028.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Frontend Development with React: Advantages and Techniques" /> </a> <a href="https://www.php.cn/faq/1796797340.html" title="Frontend Development with React: Advantages and Techniques" class="phphistorical_Version2_mids_title">Frontend Development with React: Advantages and Techniques</a> <span class="Articlelist_txts_time">Apr 17, 2025 am 12:25 AM</span> <p class="Articlelist_txts_p">The advantages of React are its flexibility and efficiency, which are reflected in: 1) Component-based design improves code reusability; 2) Virtual DOM technology optimizes performance, especially when handling large amounts of data updates; 3) The rich ecosystem provides a large number of third-party libraries and tools. By understanding how React works and uses examples, you can master its core concepts and best practices to build an efficient, maintainable user interface.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796795188.html" title="React vs. Backend Frameworks: A Comparison" 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/001/253/068/174447398230492.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="React vs. Backend Frameworks: A Comparison" /> </a> <a href="https://www.php.cn/faq/1796795188.html" title="React vs. Backend Frameworks: A Comparison" class="phphistorical_Version2_mids_title">React vs. Backend Frameworks: A Comparison</a> <span class="Articlelist_txts_time">Apr 13, 2025 am 12:06 AM</span> <p class="Articlelist_txts_p">React is a front-end framework for building user interfaces; a back-end framework is used to build server-side applications. React provides componentized and efficient UI updates, and the backend framework provides a complete backend service solution. When choosing a technology stack, project requirements, team skills, and scalability should be considered.</p> </div> <div class="phphistorical_Version2_mids"> <a href="https://www.php.cn/faq/1796797834.html" title="Understanding React's Primary Function: The Frontend Perspective" 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/001/253/068/174490652149150.jpg?x-oss-process=image/resize,m_fill,h_207,w_330" alt="Understanding React's Primary Function: The Frontend Perspective" /> </a> <a href="https://www.php.cn/faq/1796797834.html" title="Understanding React's Primary Function: The Frontend Perspective" class="phphistorical_Version2_mids_title">Understanding React's Primary Function: The Frontend Perspective</a> <span class="Articlelist_txts_time">Apr 18, 2025 am 12:15 AM</span> <p class="Articlelist_txts_p">React's main functions include componentized thinking, state management and virtual DOM. 1) The idea of componentization allows splitting the UI into reusable parts to improve code readability and maintainability. 2) State management manages dynamic data through state and props, and changes trigger UI updates. 3) Virtual DOM optimization performance, update the UI through the calculation of the minimum operation of DOM replica in memory.</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?1745789271"></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 || []; 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