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              <main>
  <h1>Automated ARIA Role Assignment</h1>
<p>
  These examples are not responsive. They exist solely to demonstrate the function.
  </p>
  
  <h2>Standard Table</h2>
  <div role="region" aria-labelledby="Cap" tabindex="0">
    <table>
      <caption id="Cap">Books I May or May Not Have Read</caption>
      <thead>
        <tr>
          <th>Author</th>
          <th>Title</th>
          <th>Year</th>
          <th>ISBN-13</th>
          <th>ISBN-10</th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td>Miguel De Cervantes</td>
          <td>The Ingenious Gentleman Don Quixote of La Mancha</td>
          <td>1605</td>
          <td role="cell">9783125798502</td>
          <td>3125798507</td>
        </tr>
        <tr>
          <td>Mary Shelley</td>
          <td>Frankenstein; or, The Modern Prometheus</td>
          <td>1818</td>
          <td>9781530278442</td>
          <td>1530278449</td>
        </tr>
        <tr>
          <td>Herman Melville</td>
          <td>Moby-Dick; or, The Whale</td>
          <td>1851</td>
          <td>9781530697908</td>
          <td>1530697905</td>
        </tr>
        <tr>
          <td>Emma Dorothy Eliza Nevitte Southworth</td>
          <td>The Hidden Hand</td>
          <td>1888</td>
          <td>9780813512969</td>
          <td>0813512964</td>
        </tr>
        <tr>
          <td>F. Scott Fitzgerald</td>
          <td>The Great Gatsby</td>
          <td>1925</td>
          <td>9780743273565</td>
          <td>0743273567</td>
        </tr>
        <tr>
          <td>George Orwell</td>
          <td>Nineteen Eighty-Four</td>
          <td>1948</td>
          <td>9780451524935</td>
          <td>0451524934</td>
        </tr>
      </tbody>
    </table>
  </div>
  
  <h2>Complexity 1</h2>
    <div role="region" aria-labelledby="Cap1" tabindex="0">
    <table>
    <caption id="Cap1">Contact Information</caption>
    <tr>
      <td></td>
      <th scope="col">Name</th>
      <th scope="col">Phone#</th>
      <th scope="col">Fax#</th>
      <th scope="col">City</th>
    </tr>
    <tr>
      <td>1.</td>
      <th scope="row">Joel Garner</th>
      <td>412-212-5421</td>
      <td>412-212-5400</td>
      <td>Pittsburgh</td>
    </tr>
    <tr>
      <td>2.</td>
      <th scope="row">Clive Lloyd</th>
      <td>410-306-1420</td>
      <td>410-306-5400</td>
      <td>Baltimore</td>
    </tr>
    <tr>
      <td>3.</td>
      <th scope="row">Gordon Greenidge</th>
      <td>281-564-6720</td>
      <td>281-511-6600</td>
      <td>Houston</td>
    </tr>
  </table>
  </div>
  
    <h2>Complexity 2</h2>
    <div role="region" aria-labelledby="Cap2" tabindex="0">
      <table>
    <caption id="Cap2">Grade Calculation</caption>
    <tr>
      <th rowspan="2" id="h">Homework</th>
      <th colspan="3" id="e">Exams</th>
      <th colspan="3" id="p">Projects</th>
    </tr>
    <tr>
      <th id="e1" headers="e">1</th>
      <th id="e2" headers="e">2</th>
      <th id="ef" headers="e">Final</th>
      <th id="p1" headers="p">1</th>
      <th id="p2" headers="p">2</th>
      <th id="pf" headers="p">Final</th>
    </tr>
    <tr>
      <td headers="h">15%</td>
      <td headers="e e1">15%</td>
      <td headers="e e2">15%</td>
      <td headers="e ef">20%</td>
      <td headers="p p1">10%</td>
      <td headers="p p2">10%</td>
      <td headers="p pf">15%</td>
    </tr>
  </table>
      </div>

</main>
            
          
!
            
              @import url("https://fonts.googleapis.com/css?family=Lato:400,400i,700");

body {
  background-color: #6d695c;
  background-image: url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAABAAAAAQCAMAAAAoLQ9TAAAACVBMVEUAAAAAAAAAAACDY+nAAAAAA3RSTlMmDQBzGIDBAAAAG0lEQVR42uXIIQEAAADCMHj/0NdkQMws0HEeAqvwAUGJthrXAAAAAElFTkSuQmCC);
  font-size: 100%;
  color: #333;
  font-family: Lato, Arial, sans-serif;
  padding: 0;
  margin: 0;
}

main {
  display: block;
  box-sizing: border-box;
  width: auto;
  padding: 1em 2vw;
  margin: 1em 2vw;
  color: #000;
  background-color: rgba(204, 204, 204, 0.7);
  border: 0.07em solid rgba(0, 0, 0, 0.5);
  border-radius: 0.5em;
  line-height: 1.5;
}

table {
  margin: 1em 0;
  border-collapse: collapse;
/*   width: 100%; */
}

caption {
  text-align: left;
  font-style: italic;
  padding: 0.25em 0.5em 0.5em 0.5em;
}

th,
td {
  padding: 0.25em 0.5em 0.25em 1em;
  vertical-align: text-top;
  text-align: left;
  text-indent: -0.5em;
}

th {
  vertical-align: bottom;
  background-color: rgba(0, 0, 0, 0.5);
  color: #fff;
  font-weight: bold;
}

td::before {
  display: none;
}

tr:nth-child(even) {
  background-color: rgba(255, 255, 255, 0.25);
}

tr:nth-child(odd) {
  background-color: rgba(255, 255, 255, 0.5);
}

td:nth-of-type(2) {
  font-style: italic;
}

th:nth-of-type(3),
td:nth-of-type(3) {
  text-align: right;
}

div {
  overflow: auto;
}
            
          
!
            
              function AddTableARIA() {
  try {
    var allTables = document.querySelectorAll('table');
    for (var i = 0; i < allTables.length; i++) {
      allTables[i].setAttribute('role','table');
    }
    var allRowGroups = document.querySelectorAll('thead, tbody, tfoot');
    for (var i = 0; i < allRowGroups.length; i++) {
      allRowGroups[i].setAttribute('role','rowgroup');
    }
    var allRows = document.querySelectorAll('tr');
    for (var i = 0; i < allRows.length; i++) {
      allRows[i].setAttribute('role','row');
    }
    var allCells = document.querySelectorAll('td');
    for (var i = 0; i < allCells.length; i++) {
      allCells[i].setAttribute('role','cell');
    }
    var allHeaders = document.querySelectorAll('th');
    for (var i = 0; i < allHeaders.length; i++) {
      allHeaders[i].setAttribute('role','columnheader');
    }
    // this accounts for scoped row headers
    var allRowHeaders = document.querySelectorAll('th[scope=row]');
    for (var i = 0; i < allRowHeaders.length; i++) {
      allRowHeaders[i].setAttribute('role','rowheader');
    }
    // caption role not needed as it is not a real role and
    // browsers do not dump their own role with display block
  } catch (e) {
    console.log("AddTableARIA(): " + e);
  }
}

AddTableARIA();
            
          
!
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