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Tự học HTML và CSS trong 1 giờ - part 30

Tham khảo tài liệu 'tự học html và css trong 1 giờ - part 30', công nghệ thông tin, đồ họa - thiết kế - flash phục vụ nhu cầu học tập, nghiên cứu và làm việc hiệu quả | 266 lesson 10 Building Tables Task Exercise 10.1 Creating a Simple Table Now that you know the basics of how to create a table try a simple example. You ll create a table that indicates the colors you get when you mix the three primary colors together. Figure 10.4 shows the table you re going to re-create in this example. FIGURE 10.4 A simple color table. Here s a quick hint for laying out tables Because HTML defines tables on a row-by-row basis sometimes it can be difficult to keep track of the columns particularly with complex tables. Before you start actually writing HTML code it s useful to make a sketch of your table so that you know the heads and the values of each cell. You might even find that it s easiest to use a word processor with a table editor such as Microsoft Word or a spreadsheet to lay out your tables. Then when you have the layout and the cell values you can write the HTML code for that table. Eventually if you do this enough you ll think of these things in terms of HTML tags whether you want. Start with a simple HTML framework for a page that contains a table. As with all HTML files you can create this file in any text editor DOCTYPE html html head title Colors title head body table .add table rows and cells here. table body html Now start adding table rows inside the opening and closing table tags where the line add table rows and cells here is . The first row is the three headings along the top of the table. The table row is indicated by tr and each cell by a th tag Download from www.wowebook.com Table Parts 267 tr th Red th th Yellow th th Blue th tr NOTE__ You can format the HTML code any way you want. As with all HTML the browser ignores most extra spaces and returns. I like to format it like this with the contents of the individual rows indented and the cell elements on separate lines so that I can pick out the rows and columns more easily. Now add the second row. The first cell in the second row is the Red heading on the left side of .