For front-end staff, they are exposed to div and CSS every day. Some knowledge is easy to forget if it is not commonly used. Recently, I summarized the commonly used HTML codes and wrote an article to facilitate my future review and share it. To everyone, hope it is useful to you.
File type (put at the beginning and end of the file)
File subject
Header
(descriptive information, such as "theme")Style
BODY> (File body)Title
Title alignment
DIV
Alignment of distinction
Citation Block
(usually indented)Emphasis (usually Shown in italics)
Special emphasis on (usually shown in bold)
Citation (usually shown in italics Display)
Code (for displaying source code)
Sample
Keyboard input< ;KBD>
Variable
Definition (some browsers do not provide it)
Address
Big characters
Small characters
Appearance-related tags (author’s customized expression)
Bold
Italic
Bottom line (Some browsers still don’t provide it)
Strikethrough (Some browsers still don’t provide it)
Subscript
Superscript
Typewriter body (Use single Space font display)
Predetermined format
(preserve the size of spaces in the file)Predetermined format width
(calculated in characters) <p>Align to the center</p><center></center> (both text and pictures are acceptable)<p> Shine<blink></blink> (The most mocked tag ever) </p><p>Font size<fontsize> (from 1 to 7)</fontsize></p><p>Change font size<fontsize></fontsize></p><p>Base font size<basefontsize> (from 1 to 7; defaults to 3)</basefontsize></p><p>Font color<fontcolor> ($$ is the color code)</fontcolor></p>
The above is the detailed content of A collection of commonly used HTML codes (a must for beginners). For more information, please follow other related articles on the PHP Chinese website!

To build a website with powerful functions and good user experience, HTML alone is not enough. The following technology is also required: JavaScript gives web page dynamic and interactiveness, and real-time changes are achieved by operating DOM. CSS is responsible for the style and layout of the web page to improve aesthetics and user experience. Modern frameworks and libraries such as React, Vue.js and Angular improve development efficiency and code organization structure.

Boolean attributes are special attributes in HTML that are activated without a value. 1. The Boolean attribute controls the behavior of the element by whether it exists or not, such as disabled disable the input box. 2.Their working principle is to change element behavior according to the existence of attributes when the browser parses. 3. The basic usage is to directly add attributes, and the advanced usage can be dynamically controlled through JavaScript. 4. Common mistakes are mistakenly thinking that values need to be set, and the correct writing method should be concise. 5. The best practice is to keep the code concise and use Boolean properties reasonably to optimize web page performance and user experience.

HTML code can be cleaner with online validators, integrated tools and automated processes. 1) Use W3CMarkupValidationService to verify HTML code online. 2) Install and configure HTMLHint extension in VisualStudioCode for real-time verification. 3) Use HTMLTidy to automatically verify and clean HTML files in the construction process.

HTML, CSS and JavaScript are the core technologies for building modern web pages: 1. HTML defines the web page structure, 2. CSS is responsible for the appearance of the web page, 3. JavaScript provides web page dynamics and interactivity, and they work together to create a website with a good user experience.

The function of HTML is to define the structure and content of a web page, and its purpose is to provide a standardized way to display information. 1) HTML organizes various parts of the web page through tags and attributes, such as titles and paragraphs. 2) It supports the separation of content and performance and improves maintenance efficiency. 3) HTML is extensible, allowing custom tags to enhance SEO.

The future trends of HTML are semantics and web components, the future trends of CSS are CSS-in-JS and CSSHoudini, and the future trends of JavaScript are WebAssembly and Serverless. 1. HTML semantics improve accessibility and SEO effects, and Web components improve development efficiency, but attention should be paid to browser compatibility. 2. CSS-in-JS enhances style management flexibility but may increase file size. CSSHoudini allows direct operation of CSS rendering. 3.WebAssembly optimizes browser application performance but has a steep learning curve, and Serverless simplifies development but requires optimization of cold start problems.

The roles of HTML, CSS and JavaScript in web development are: 1. HTML defines the web page structure, 2. CSS controls the web page style, and 3. JavaScript adds dynamic behavior. Together, they build the framework, aesthetics and interactivity of modern websites.

The future of HTML is full of infinite possibilities. 1) New features and standards will include more semantic tags and the popularity of WebComponents. 2) The web design trend will continue to develop towards responsive and accessible design. 3) Performance optimization will improve the user experience through responsive image loading and lazy loading technologies.


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