The original name of the draft HTML5 is Web Applications 1.0, which was put forward by WHATWG in 2004 and accepted by W3C in 2007, and a new HTML working group was established.
The biggest advantage of HTML5 mobile phone application is that it can be debugged and modified directly on the web page. The developer of the original application may need to spend a lot of energy to achieve the effect of HTML5, and repeat coding, debugging and running, which is the first problem to be solved. Therefore, many mobile magazine clients are based on HTML5 standard, which is easy for developers to debug and modify.
HTML5 will replace the standards of HTML 4.0 1 and XHTML 1.0 formulated by 1999, so as to make the network standards meet the needs of contemporary networks and bring rich content to the seamless connection between desktop and mobile platforms.
HTML5 is designed to support multimedia on mobile devices. New syntax features are introduced to support this, such as video, audio and canvas tags. HTML5 also introduces new functions that can really change the way users interact with documents.
CSS3 is an upgraded version of CSS technology, and the development of CSS3 language is towards modularization. As a module, the previous specification was too large and complicated, so it was broken down into smaller modules and more new modules were added. These modules include: frame model, list module, hyperlink mode, language module, background and border, text special effects, multi-column layout and so on.