1 <!DOCTYPE>
Before you must be in the first line of HTML documents located in <html> tag
Instruct the web browser on pages that use the HTML version of written instructions
2：<title>
The browser will use a special way to the title, and it is usually placed on the browser window's title bar or status bar. Similarly, when a document is added to the list of users or links favorites or bookmarks list, the title will become the default name of the linked document.
<Title> tag supports the following standard attributes:
| Attributes | value | description |
|---|---|---|
| to you |
|
Provisions direction of the text element content. |
| only | language_code | It defines the language of the code element content. |
| xml: lang | language_code | It defines the language of the code XHTML document element content. |
< HTML > < head > < title > My first HTML page </ title > </ head > < body > < the p- > body element content is displayed in the browser. </ The p- > < the p- > content of the title element will be displayed in the title bar of the browser. </ P > </ body > </ HTML >