The early Internet was mainly used to share academic results, but for ordinary people, they were more willing to share some more interesting content on it, such as video and audio. Before HTML5, these technologies were not web page audio provided by HTML tags. Video solution development Although early HTML did not provide tags to support video or audio playback, this did not affect people's desire to share. Support method 1: Use embed to directly insert the video into the page, and then you can use Windows Media Player, Apple QuickTime or an actual video player creates a playback window, but this method has no control over the video itself, and compatibility issues cannot be taken into account. Support method 2 uses browser plug-ins, one is Microsoft's Silverlight, and the most commonly used Adobe Flash. It completely solves the problem of browser support, and the installation rate is astonishingly high (basically 99% of computers have Flash player installed). In addition to learning the Flash technology itself, using Flash to play videos is more critical. , ipad does not support this technology such as
1. HTML5--Detailed explanation of multimedia tags
Introduction: The early Internet was mainly used to share academic results, but for ordinary people, they were more willing to share some more interesting content on it, such as video and audio. These technologies were used before HTML5 The development of web audio and video solutions not provided by HTML tags. Although early HTML did not provide tags to support video or audio playback, this did not affect people's desire to share. Support method 1: Use embed to directly insert the video into the page, and then You can use Windows Media Player, Apple QuickTi...
##2. Xiaoqiang’s HTML5 mobile development road (12) - starting from a multimedia tag
The above is the detailed content of 10 course recommendations on multimedia tags. 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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