HTML is a markup language for creating web pages that has the following characteristics: Structured document structure Formatted text Creation of hyperlinks Provides interactivity Cross-platform compatibility Easy to learn Extensibility
Features of Hypertext Markup Language (HTML)
Hypertext Markup Language (HTML) is a markup language used to create web pages. It enables developers to define the structure, appearance, and interactivity of documents. HTML has the following main characteristics:
Structured:
- HTML uses tags to define the structure of a document, such as headings, paragraphs, and lists.
- These tags create a hierarchical structure that allows the browser to understand the content of the document.
Text Formatting:
- HTML provides tags to format text such as bold, italics, and underline.
- It also supports setting font size, color and alignment.
Hyperlinks:
- One of the key features of HTML is the ability to create hyperlinks that connect users to other web pages or resources.
- Hyperlinks use the tag and specify the target URL.
Interactivity:
- HTML includes elements that support interactivity, such as forms, buttons, and links.
- These elements allow users to interact with the web page, such as submitting data or navigating to different pages.
Cross-platform compatibility:
- HTML is a cross-platform language that can render on any operating system with a web browser.
- The browser converts HTML documents into visual web pages, regardless of the underlying operating system.
Easy to learn:
- HTML is a relatively simple language that is easy to learn and use.
- is composed of basic tags and syntax, so even beginners can get started quickly.
Extensibility:
- HTML is extensible, allowing developers to enhance web pages using other technologies such as CSS and JavaScript.
- CSS controls the appearance of web pages, while JavaScript adds interactivity and dynamics.
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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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