Compare html5 and html and talk about their differences

HTML5 is an increasingly popular standard in web technology that brings a series of updates and improvements to HTML. HTML5 is a simpler, more powerful and feature-rich technology. Compared with HTML, its differences are mainly reflected in the following aspects:

1. Use of semantic tags

HTML5 introduces a series of semantic tags, which are used to describe the content of the page more accurately and make the page more expressive. For example, tags such as

,

,

, and

in HTML5 are used to represent articles, chapters, headers, and footers respectively. The use of these tags makes the page more readable and accessible.

2. Multimedia support

HTML5 supports a variety of multimedia formats, such as audio and video. In HTML5, we can use the

3. Canvas Drawing

Canvas is a new tag in HTML5, which can achieve graphic drawing and dynamic effects through JavaScript. The emergence of Canvas can achieve richer animation and interactive effects, making applications more lively and interesting.

4. Web Storage

HTML5 introduces two web storage technologies, namely localStorage and sessionStorage. These two technologies can be used to store data locally on the user, allowing applications to process data more flexibly without having to rely on the server.

5. Cross-domain communication

HTML5 supports cross-domain communication, which allows web pages with different domain names to communicate. This method of communication enables more complex and real-time applications without having to worry about cross-domain issues.

Summary:

HTML5 is an upgraded version of HTML technology. It introduces many new features and functions, which not only improves the efficiency and readability of the website, but also provides users with richer A colorful experience. In contrast, HTML's biggest drawback is that it is not colorful enough to meet the needs of modern web applications. Therefore, when developing web applications, we should give priority to using HTML5 technology.

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