Basic syntax of block elements
1. Html block elements. Block elements usually start with a new line at the beginning, such as h1, p, ul
2 .Inline elements usually do not start with a new line, such as a, b, img
3.html p element, p is also called a block element, which is mainly used as a container for combining html elements
4.html span element, the span element is an inline element and can be used as a container for text
! ! ! ! ! ! Code example
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>H5块元素</title> <link rel="stylesheet" type="text/css" href="myStyle.css"> <style> span{ color:chartreuse; } </style></head><body> <p>这是一个段落</p> <h1 id="这是一个标题">这是一个标题</h1> <b>这是一个加重</b> <a>这是一个超链接</a> <p id="pId"> <p> 这是一个段落 </p> <a>这是一个超链接</a> </p> <p> <P><span>这是一个span测试,</span>测试效果</P> </p></body></html>
css code
#pId p{ color:red;}
pId is the id of di, and the following p is the specified P tag
Rendering
Basic syntax of block elements
1. Html block elements. Block elements usually start with a new line at the beginning, such as h1, p, ul
2. Inline elements usually do not start with a new line, such as a, b, img
3.html p element, p is also called a block element, which is mainly used as a container for combining html elements
4.html span element, span element is an inline element and can be used as a container for text
! ! ! ! ! ! Code example
<!DOCTYPE html><html lang="en"><head> <meta charset="UTF-8"> <title>H5块元素</title> <link rel="stylesheet" type="text/css" href="myStyle.css"> <style> span{ color:chartreuse; } </style></head><body> <p>这是一个段落</p> <h1 id="这是一个标题">这是一个标题</h1> <b>这是一个加重</b> <a>这是一个超链接</a> <p id="pId"> <p> 这是一个段落 </p> <a>这是一个超链接</a> </p> <p> <P><span>这是一个span测试,</span>测试效果</P> </p></body></html>
css code
#pId p{ color:red;}
pId is the id of di, and the following p is the specified P tag
Rendering
The above is the content of the H5 learning journey - the use of H5 block tags (9). For more related content, please pay attention to the PHP Chinese website (www.php.cn)!

HTML5 code consists of tags, elements and attributes: 1. The tag defines the content type and is surrounded by angle brackets, such as. 2. Elements are composed of start tags, contents and end tags, such as contents. 3. Attributes define key-value pairs in the start tag, enhance functions, such as. These are the basic units for building web structure.

HTML5 is a key technology for building modern web pages, providing many new elements and features. 1. HTML5 introduces semantic elements such as, , etc., which enhances web page structure and SEO. 2. Support multimedia elements and embed media without plug-ins. 3. Forms enhance new input types and verification properties, simplifying the verification process. 4. Offer offline and local storage functions to improve web page performance and user experience.

Best practices for H5 code include: 1. Use correct DOCTYPE declarations and character encoding; 2. Use semantic tags; 3. Reduce HTTP requests; 4. Use asynchronous loading; 5. Optimize images. These practices can improve the efficiency, maintainability and user experience of web pages.

Web standards and technologies have evolved from HTML4, CSS2 and simple JavaScript to date and have undergone significant developments. 1) HTML5 introduces APIs such as Canvas and WebStorage, which enhances the complexity and interactivity of web applications. 2) CSS3 adds animation and transition functions to make the page more effective. 3) JavaScript improves development efficiency and code readability through modern syntax of Node.js and ES6, such as arrow functions and classes. These changes have promoted the development of performance optimization and best practices of web applications.

H5 is not just the abbreviation of HTML5, it represents a wider modern web development technology ecosystem: 1. H5 includes HTML5, CSS3, JavaScript and related APIs and technologies; 2. It provides a richer, interactive and smooth user experience, and can run seamlessly on multiple devices; 3. Using the H5 technology stack, you can create responsive web pages and complex interactive functions.

H5 and HTML5 refer to the same thing, namely HTML5. HTML5 is the fifth version of HTML, bringing new features such as semantic tags, multimedia support, canvas and graphics, offline storage and local storage, improving the expressiveness and interactivity of web pages.

H5referstoHTML5,apivotaltechnologyinwebdevelopment.1)HTML5introducesnewelementsandAPIsforrich,dynamicwebapplications.2)Itsupportsmultimediawithoutplugins,enhancinguserexperienceacrossdevices.3)SemanticelementsimprovecontentstructureandSEO.4)H5'srespo

The tools and frameworks that need to be mastered in H5 development include Vue.js, React and Webpack. 1.Vue.js is suitable for building user interfaces and supports component development. 2.React optimizes page rendering through virtual DOM, suitable for complex applications. 3.Webpack is used for module packaging and optimize resource loading.


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