Tham khảo tài liệu 'tự học html và css trong 1 giờ - part 10', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 66 I LESSON 3 Introducing HTML and XHTML FIGURE Craigslist home page. The HTML source code looks something like Figure . FIGURE Some HTML source code. 2. Try viewing the source of your own favorite web pages. You should start seeing some similarities in the way pages are organized and get a feel for the kinds of tags that HTML uses. You can learn a lot about HTML by comparing the text onscreen with the source for that text. Download from LESSON 4 Learning the Basics of HTML In the first three lessons you learned about the World Wide Web how to organize and plan your websites and why you need to use HTML to create a web page. In Lesson 3 Introducing HTML and XHTML you even created your first simple web page. In this lesson you learn about each of the basic HTML tags in more depth and begin writing web pages with headings paragraphs and several different types of lists. We focus on the following topics and HTML tags Tags for overall page structure html head and body Tags for titles headings and paragraphs title hl through h6 and p Tags for comments Download from 68 lesson 4 Learning the Basics of HTML Structuring Your HTML HTML defines three tags that describe the page s overall structure and provide some simple header information. These three tags html head and body make up the basic skeleton of every web page. They also provide simple information about the page such as its title or its author before loading the entire thing. The page structure tags don t affect what the page looks like when it displays they re only there to help tools that interpret or filter HTML files. At one time these tags were optional. Even today if you leave them out of your markup browsers usually can read the page anyway. These tags however are required elements in HTML 4 XHTML and HTML5 the standards supported by current browsers. The DOCTYPE Identifier Although it s not a page structure tag the XHTML and HTML5 standards include .
