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Tables, part 1. Lesson 09. Long time ago the tables were main elements of a webpage. Webmasters make design of a webpage using many tables, nested one inside another. It was like nightmare to get logic of the plurality of tables. HTML code of these sites was very difficult to read and understand not only by programmers, but also by browsers. Now the situation has changed dramatically. Tables play an important role. But we use tables only for things they are designed, for presenting tabular data.
Long time ago (somewhere before year of 2005) the tables were main elements of a webpage. Webmasters make design of a webpage using many tables, nested one inside another. It was like nightmare to get logic of the plurality of tables. HTML code of these sites was very difficult to read and understand not only by programmers, but also by browsers.
Now the situation has changed dramatically. Tables play an important role. But we use tables only for things they are designed, for presenting tabular data.
Imagine following situation. Our boss set a task for us. Our artist has depicted this task in a picture format (image file) to ease understanding of the problem.
Task in a picture format (image file food_prices.png)
And now we have to create the same table by means of HTML and set it on our test page.
We can make this work step-by-step this way:
Create tag <table> - All tables are defined with this tag. For tag <table> we use the border attribute border="1" to make the borders with 1 pixel thickness. If we do not specify a border for the table, it will be displayed without borders.
Create tag <caption> - We need this tag to show a caption of a table. The <caption> tag must be inserted immediately after the <table> tag.
Create tag <tr> (row) for <th> (table headings) - in our case for table heading <th> "Fats, Proteins, Carbohydrates" we use attribute colspan="3" to make a cell span 3 columns.
Create 4 tags <tr> (row) for <td> cells with information - in our case for the penultimate row we use the attribute rowspan="2" to make a cell span 2 rows.
Create tag </table> - this tag let a browser know where end of the table is.
Food prices in US cities
Fats, Proteins, Carbohydrates
Sep 30, 1935
Oct 12, 1935
Oct 24, 1935
Task in a HTML format (after making steps above)
We have got something about our boss needs... Does he accept our work? What is the question!
So we have placed mentioned above things on our test webpage: article_009.html
← click to view, how it looks on this website...
← download this webpage in zip archive to set on your website.
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