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Na nossa avaliação de tabela, nós forncemos-lhe alguns dados dos planetas no nosso sistema solar, para que possa estruturá-los numa tabela HTML .

Pré-requisitos: Before attempting this assessment you should have already worked through all the articles in this module.
Objetivo: To test comprehension of HTML tables and associated features.

Ponto inicial

To get this assessment started, make local copies of blank-template.html, minimal-table.css, and planets-data.txt in a new directory in your local computer.

Note: Alternatively, you could use a site like JSBin or Thimble to do your assessment. You could paste the HTML, CSS and JavaScript into one of these online editors. If the online editor you are using doesn't have separate JavaScript/CSS panels, feel free to put them inline <script>/<style> elements inside the HTML page.

Sumário do projeto

You are working at a school; currently your students are studying the planets of our solar system, and you want to provide them with an easy-to-follow set of data to look up facts and figures about the planets. An HTML data table would be ideal — you need to take the raw data you have available and turn it into a table, following the steps below.

The finished table should look like this:

You can also see the example live here (no looking at the source code — don't cheat!)

Passos para concluir

The following steps describe what you need to do to complete the table example. All the data you'll need is contained in the planets-data.txt file. If you have trouble visualising the data, look at the live example above, or try drawing a diagram.

  1. Open your copy of blank-template.html, and start the table off by giving it an outer container, a table header, and a table body. You don't need a table footer for this example.
  2. Add the provided caption to your table.
  3. Add a row to the table header containing all the column headers.
  4. Create all the content rows inside the table body, remembering to make all the row headings into headings semantically.
  5. Make sure all the content is inserted into the right cells — in the raw data, each row of planet data is shown next to its associated planet.
  6. Add attributes to make the row and column headers unambiguously associated with the rows, columns, or rowgroups that they act as headings for.
  7. Add a black border just around the column that contains all the planet name row headers.

Dicas e sugestões

  • The first cell of the header row needs to be blank, and span two columns.
  • The group row headings (e.g. Jovian planets) that sit to the left of the planet name row headings (e.g. Saturn) are a little tricky to sort out — you need to make sure each one spans the correct number of rows and columns.
  • One way of associating headers with their rows/columns is a lot easier than the other way.

Avaliação

If you are following this assessment as part of an organized course, you should be able to give your work to your teacher/mentor for marking. If you are self-learning, then you can get the marking guide fairly easily by asking on the Learning Area Discourse thread, or in the #mdn IRC channel on Mozilla IRC. Try the exercise first — there is nothing to be gained by cheating!

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