Sortable Paginated Table #250
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zoltan-dulac
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Feb 5, 2025
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This is great work so far! :-)
There are a few other things I'd like to change to improve the user experience:
- I want to maximize the hit area of the sort buttons. They should take up the whole area of the table column header to maximize the hit area. This is an accessibility feature for those who have tremors in their hands or other types of motor-coordination disabilities.
- I have noticed that when using Voiceover/Safari to read the content of the table, I can still read the hidden rows. We should put a
aria-hidden="true"on the rows we are hiding. For some reason,display: noneis not preventing this (it should, but it doesn't). Please put a note in the code walkthrough why we are doing this. - I think the data needs a bit of refinement. Let's remove the
Rankcolumn (it's kind of useless). Let's mark up the countries as<th scope="row">(they should be the left most cell). I don't want to change the style of them. The reason I want to do this is that it makes the data easier to understand to screen reader users (If they traverse the rows of the table, they understand automatically which row they are in).
| data-sort-type="number"> | ||
| <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">Rank</button></th> | ||
| <th scope="col" data-sort-type="default"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">Name</button></th> | ||
| <th scope="col" data-sort-type="number"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">GDP (IMF '19)</button></th> |
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Let's rename this heading "GDP (IMF 2019)" to "GDP (Source: IMF 2019)". Same with the next heading: "GDP (Source: UN 2016)"
| <th scope="col" data-sort-type="default"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">Name</button></th> | ||
| <th scope="col" data-sort-type="number"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">GDP (IMF '19)</button></th> | ||
| <th scope="col" data-sort-type="number"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">GDP (UN '16)</button></th> | ||
| <th scope="col" data-sort-type="default"> <button class="sortableColumnLabel" aria-describedby="user-info-table__sort-instructions">GDP Per Capita</button></th> |
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I am not sure this is right. The numeric data is not being sorted correctly. Can you fix?
js/modules/sortable-tables.js
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| if (sortType === "number") { | ||
| compareFunc = createCompareFunc(this.functions['exampleCustomCompare'], index); | ||
| } else { | ||
| compareFunc = createCompareFunc((a, b) => a.localeCompare(b), index); |
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If we can change this from an anonymous function to a declared one, it would help performance:
https://stackoverflow.com/questions/80802/does-use-of-anonymous-functions-affect-performance
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