html5 difference-Front-end Q&A-php.cn

HTML5 is the fifth version of the HTML language. Compared with previous versions, HTML5 has some important differences. In this article, we will explore the differences between HTML5 and previous versions.

More semantic tags HTML5 adds many new tags that can describe the document content more accurately. These tags include , , , , etc. These tags make the code of a web page more meaningful, helping with SEO and accessibility.

Disappearing tags HTML5 deprecates some obsolete tags, such as , , , and . These tags are considered low-quality code and do not meet the requirements of modern web design. And, these tags often cause SEO issues.

Better form handling In HTML5, form handling has been greatly improved. Forms make it easier to collect, validate, and submit information. HTML5 also introduces some new input types, such as date, search, etc. These new input types make it easier to handle user input and provide a better user experience.

Better media support and animation effects In HTML5, markup to support media content has been greatly improved. HTML5 can embed audio and video directly without using third-party plug-ins such as Flash. In addition, HTML5 also introduces the canvas element, making it easier for web developers to create animation effects and reducing dependence on technologies such as Flash.

Better offline processing capabilities HTML5 introduces application caching so that web pages can work offline. This feature improves application reliability and reduces dependence on the network.

Summary:

HTML5 has many differences compared to previous versions. HTML5 has the advantages of more semantic tags, better form processing, better media support and animation effects, better offline processing capabilities, etc. These advantages make HTML5 the first choice for modern web design, helping to improve the quality and accessibility of web pages.