1. About programming habits. When viewing the source code of the Web page (recommended Firefox configuration Firebug), good programming habits allow us to have a better understanding of the structure of the code, when reading someone else's code or debug to find the problem.
<!DOCTYPE HTML><HTML>//sheng<Head><MetaCharSet= "UTF-8"><title>helloworld!</title><Script>...</Script>...</Head><Body>...</Body><HTML>
2.basic expressions
#contentEditable: Global properties that allow users to edit content inside an element
<textarea contenteditable=true></contenteditable>
#spellcheck: Spelling and grammar checking of text content for a new property of the two text input boxes, type=text and textarea
<textarea spellcheck=true></contenteditable>
#article: The content of the page is independent of other elements, such as an article in the newspaper, a forum post, etc., you can use the header to represent the title, footer for footnotes, section for segmentation
<Body><article> <Header> <H1>Miyazaki</H1> <P>Published Date< Timepubdate datetime= "09/10/2014">09/10/2014</ Time> </P> </Header> <P>My favorite cartoonist.</P></P> < Section> <H3>Top1</H3> <P>The City of the sky</P> </ Section> < Section> <H3>Top2</H3> <P>Thousand and Thousand Seek</P> </ Section></article></Body>
#nav: Page navigation, can be linked
<body>
HTML5 Basic Concepts