This class is the second lesson of the series, from the "html/css/javascript" basic knowledge brought by Shook, the course focuses on the semantics of HTML, because semantics is the most easily understood by the front-end engineers and the most difficult to grasp, such as when to use what kind of tags, This depends on the front-end engineer's understanding of the label and the content of the page. To pay attention to the channel home page and details pages are different, the channel home page of the information is trivial, the details of the pages more like "article", so the content of the semantics is a difference. This point needs to be noted.
Http://www.slideshare.net/lijing00333/htmlcssjs
At the end of the HTML chapter, it focuses on the usability and usability of the page, and the front-end engineers often put their energy into the implementation of the page style, ignoring a lot of usability details. For example, when setting the type of input, there are a lot of details to consider, especially in mobile terminals, when input gets focus, to control the pop-up keyboard type. In addition, the CSS section details the best code for the implementation of the response, including some customized effects of CSS3, which can be used as best practices.
Http://www.slideshare.net/lijing00333/ecmascript
The JavaScript section focuses on the new introduction of ECMAScript, which is the most commonly used key knowledge points, such as null and undefined what is the difference, Nan is not the number, what is the truth and false value, floating point calculation errors in the PPT are mentioned, The relationship between JavaScript and page rendering, engine performance, blocking, working mode, and so on, will be explained in more detail in the third and fourth lessons.