1. Construction of an efficient front-end development environment; 2. Detailed explanation of the basic structure and elements of HTML documents; 3. Introduction to commonly used content packaging elements; 4. Introduction to HTML5 structure and semantic elements; 5. Detailed explanation of video and audio elements; 6. Common sense about the layout of titles and structural elements; 7. Form making skills and precautions; 8. Form production techniques and new type descriptions; 9. Getting started with the drawing Canvas API; 10. Introduction to other latest knowledge of HTML.