Pen Settings

HTML

CSS

CSS Base

Vendor Prefixing

Add External Stylesheets/Pens

Any URLs added here will be added as <link>s in order, and before the CSS in the editor. You can use the CSS from another Pen by using its URL and the proper URL extension.

+ add another resource

JavaScript

Babel includes JSX processing.

Add External Scripts/Pens

Any URL's added here will be added as <script>s in order, and run before the JavaScript in the editor. You can use the URL of any other Pen and it will include the JavaScript from that Pen.

+ add another resource

Packages

Add Packages

Search for and use JavaScript packages from npm here. By selecting a package, an import statement will be added to the top of the JavaScript editor for this package.

Behavior

Auto Save

If active, Pens will autosave every 30 seconds after being saved once.

Auto-Updating Preview

If enabled, the preview panel updates automatically as you code. If disabled, use the "Run" button to update.

Format on Save

If enabled, your code will be formatted when you actively save your Pen. Note: your code becomes un-folded during formatting.

Editor Settings

Code Indentation

Want to change your Syntax Highlighting theme, Fonts and more?

Visit your global Editor Settings.

HTML

              
                <main>
  <h1>Sortable Table: <code>aria-describedby</code> Sort Hint</h1>
  
  <fieldset>
    <legend>Live region</legend>
    <label>
      <input type="radio" name="liveRegion" value="off" checked>
      Off
    </label>
    <label>
      <input type="radio" name="liveRegion" value="polite">
      Polite
    </label>
    <label>
      <input type="radio" name="liveRegion" value="assertive">
      Assertive
    </label>
    <button type="button" onclick="flipLiveRegion();">Flip</button>
  </fieldset> 


  <div role="region" aria-labelledby="Cap" tabindex="0">
    <span id="SortHint" style="display:none;">Sort</span>
    <table>
      <caption id="Cap">Books I May or May Not Have Read</caption>
      <thead>
        <tr>
          <th id="ColAuthor">
            <button type="button" id="ColAuthorSortButton" onclick="toggleSort(this.id,'ColAuthor','1','SortNote')" aria-describedby="SortHint">
              <span>Author</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
          <th id="ColTitle">
            <button type="button" id="ColTitleSortButton" onclick="toggleSort(this.id,'ColTitle','2','SortNote')" aria-describedby="SortHint">
              <span>Title</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
          <th id="ColYear">
            <button type="button" id="ColYearSortButton" onclick="toggleSort(this.id,'ColYear','3','SortNote')" aria-describedby="SortHint">
              <span>Year</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
          <th id="ColISBN13">
            <button type="button" id="ColISBN13SortButton" onclick="toggleSort(this.id,'ColISBN13','4','SortNote')" aria-describedby="SortHint">
              <span>ISBN-13</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
          <th id="ColISBN10">
            <button type="button" id="ColISBN10SortButton" onclick="toggleSort(this.id,'ColISBN10','5','SortNote')" aria-describedby="SortHint">
              <span>ISBN-10</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
          <th id="ColMood">
            <button type="button" id="ColMoodSortButton" onclick="toggleSort(this.id,'ColMood','6','SortNote')" aria-describedby="SortHint">
              <span>Mood</span>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort asc" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-asc"></use>
              </svg>
              <svg viewBox="0 0 425 233.7" focusable="false" class="sort des" aria-hidden="true">
                <use xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="#icon-sort-des"></use>
              </svg>
            </button>
          </th>
        </tr>
      </thead>
      <tbody>
        <tr>
          <td>Murasaki Shikibu<br>(<span lang="ja">紫 式部</span>, Lady Murasaki)</td>
          <td>The Tale of Genji<br>(<span lang="ja">源氏物語</span>, Genji monogatari)</td>
          <td>1021</td>
          <td>9780142437148</td>
          <td>014243714X</td>
          <td>😣</td>
        </tr>
        <tr>
          <td lang="es">Miguel De Cervantes</td>
          <td>The Ingenious Gentleman Don Quixote of La Mancha</td>
          <td>1605</td>
          <td>9783125798502</td>
          <td>3125798507</td>
          <td>😢</td>
        </tr>
        <tr>
          <td lang="fr">Gabrielle-Suzanne Barbot de Villeneuve</td>
          <td lang="fr">La Belle et la Bête</td>
          <td>1740</td>
          <td>9781910880067</td>
          <td>191088006X</td>
          <td>😂</td>
        </tr>
        <tr>
          <td>Sir Isaac Newton</td>
          <td>The Method of Fluxions and Infinite Series: With Its Application to the Geometry of Curve-lines</td>
          <td>1763</td>
          <td>9781330454862</td>
          <td>1330454863</td>
          <td>🤔</td>
        </tr>
        <tr>
          <td>Mary Shelley</td>
          <td>Frankenstein; or, The Modern Prometheus</td>
          <td>1818</td>
          <td>9781530278442</td>
          <td>1530278449</td>
          <td>😨</td>
        </tr>
        <tr>
          <td>Herman Melville</td>
          <td>Moby-Dick; or, The Whale</td>
          <td>1851</td>
          <td>9781530697908</td>
          <td>1530697905</td>
          <td>😐</td>
        </tr>
        <tr>
          <td>Emma Dorothy Eliza Nevitte Southworth</td>
          <td>The Hidden Hand</td>
          <td>1888</td>
          <td>9780813512969</td>
          <td>0813512964</td>
          <td>🤐</td>
        </tr>
        <tr>
          <td>F. Scott Fitzgerald</td>
          <td>The Great Gatsby</td>
          <td>1925</td>
          <td>9780743273565</td>
          <td>0743273567</td>
          <td>😒</td>
        </tr>
        <tr>
          <td>George Orwell</td>
          <td>Nineteen Eighty-Four</td>
          <td>1948</td>
          <td>9780451524935</td>
          <td>0451524934</td>
          <td>😠</td>
        </tr>
        <tr>
          <td>Nnedi Okorafor</td>
          <td>Who Fears Death</td>
          <td>2010</td>
          <td>9780756406691</td>
          <td>0008288747</td>
          <td>😔</td>
        </tr>
      </tbody>
    </table>
  </div>
  <div id="SortNote" class="visually-hidden"></div>

  <p>
    Used in the post <a href="https://adrianroselli.com/2021/04/sortable-table-columns.html"><cite>Sortable Table Columns</cite></a>.
  </p>

</main>

<svg version="1.1" xmlns="http://www.w3.org/2000/svg" id="SVGsprites">
  <style>
    .l { fill: none; stroke-width: 30; stroke-miterlimit: 10; }
    .t { stroke: none; }
  </style>
  <defs>
    <g id="icon-sort" aria-labeledby="title-sort" aria-describedby="desc-sort" role="img">
      <title id="title-sort">Sort</title>
      <desc id="desc-sort"></desc>
      <path class="t" d="M20.4 233.7L212.5 41.6l192.1 192.1z"/>
      <path class="l" d="M414.4 223.1L212.5 21.2 10.6 223.1"/>
      <path class="t" d="M404.6 306L212.5 498.1 20.4 306z"/>
      <path class="l" d="M10.6 316.6l201.9 201.9 201.9-201.9"/>
    </g>
    <g id="icon-sort-asc" aria-labeledby="title-sort-asc" aria-describedby="desc-sort-asc" role="img">
      <title id="title-sort-asc">Sort Ascending</title>
      <desc id="desc-sort-asc"></desc>
      <path class="t" d="M20.4 233.7L212.5 41.6l192.1 192.1z"/>
      <path class="l" d="M414.4 223.1L212.5 21.2 10.6 223.1"/>
    </g>
    <g id="icon-sort-des" aria-labeledby="title-sort-des" aria-describedby="desc-sort-des" role="img">
      <title id="title-sort-des">Sort Descending</title>
      <desc id="desc-sort-des"></desc>
      <path class="t" d="M404.6 0L212.5 192.1 20.4 0z"/>
      <path  class="l" d="M10.6 10.6l201.9 201.9L414.4 10.6"/>
    </g>
  </defs>
</svg>
              
            
!

CSS

              
                :root {
  --text-color: #333;
  --bg-color: #eee;
  --col-header-color: #333;
  --col-header-hover-color: #fff;
}

@media screen and (-ms-high-contrast: active),
  screen and (forced-colors: active) {
   :root {
    --col-header-color: ButtonText;
    --col-header-hover-color: WindowText;
    --col-header-hover-color: CanvasText;
  } 
}

body {
  font-family: "Segoe UI", -apple-system, BlinkMacSystemFont, Roboto,
    Oxygen-Sans, Ubuntu, Cantarell, "Helvetica Neue", sans-serif;
  line-height: 1.4;
  color: var(--text-color);
  background-color: var(--bg-color);
}

#SVGsprites {
  display: none;
}

main {
  margin: 0 0 2em 0;
}

label {
  margin-right: 2em;
}

table {
  margin: 1em 0 0 0;
  border-collapse: collapse;
  border: 0.1em solid rgba(0, 0, 0, 0.1);
}

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;
}

td.sorted {
  background-color: rgba(255, 255, 0, 0.15);
}

th {
  vertical-align: bottom;
  background-color: rgba(0, 0, 0, 0.1);
}

tr:nth-child(even) {
  background-color: rgba(0, 0, 0, 0.05);
}

tr:nth-child(odd) {
  background-color: rgba(255, 255, 255, 0.05);
}

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

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

th:nth-of-type(6),
td:nth-of-type(6) {
  text-align: center;
  min-width: 4em;
}

th {
  padding: 0;
  text-indent: 0;
}

th > button {
  background: transparent;
  border: 1px solid transparent;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
  padding: 0.25em 0.5em 0.25em 1em;
  white-space: nowrap;
  width: 100%;
  min-width: 4.5em;
  display: grid;
  grid-template-columns: minmax(2em, max-content) .65em auto;
  grid-template-areas: "t a x" "t d x";
}

th > button > span {
  grid-area: t;
  padding-right: .5em;
}

th > button > .asc {
  grid-area: a;
  align-self: center;
}

th > button > .des {
  grid-area: d;
  align-self: center;
}

th > button::after {
  content: "";
  grid-area: x;
}

th > button:focus,
th > button:hover {
  color: #fff;
  color: var(--col-header-hover-color);
  background-color: #666;
  outline: none;
}

th > button svg.sort {
  fill: transparent;
  stroke: var(--col-header-color);
  max-width: .65em;
  max-height: 1.2em;
}

[aria-sort="ascending"] > button svg.asc {
  stroke: var(--col-header-color);
  fill: var(--col-header-color);
}

[aria-sort="descending"] > button svg.des {
  stroke: var(--col-header-color);
  fill: var(--col-header-color);
}

th:focus > button svg.sort, th:hover > button svg.sort, th:focus-within > button svg.sort {
  stroke: var(--col-header-hover-color);
}

[aria-sort="ascending"] > button:focus svg.asc,
[aria-sort="ascending"] > button:hover svg.asc,
[aria-sort="descending"] > button:focus svg.des,
[aria-sort="descending"] > button:hover svg.des {
  stroke: var(--col-header-hover-color);
  fill: var(--col-header-hover-color);
}

/* Method to visually hide something but still */
/* make it available to screen readers */
.visually-hidden {
  position: absolute;
  top: auto;
  overflow: hidden;
  clip: rect(1px, 1px, 1px, 1px);
  width: 1px;
  height: 1px;
  white-space: nowrap;
}

/* Scrolling, responsive table container */
/* https://adrianroselli.com/2020/11/under-engineered-responsive-tables.html */

[role="region"][aria-labelledby][tabindex] {
  overflow: auto;
}

[role="region"][aria-labelledby][tabindex]:focus {
  outline: .1em solid rgba(0,0,0,.1);
}

/* Scrolling Visual Cue */

[role="region"][aria-labelledby][tabindex] {
  background: linear-gradient(to right, var(--bg-color) 30%, rgba(255, 255, 255, 0)),
    linear-gradient(to right, rgba(255, 255, 255, 0), var(--bg-color) 70%) 0 100%,
    radial-gradient(
      farthest-side at 0% 50%,
      rgba(0, 0, 0, 0.2),
      rgba(0, 0, 0, 0)
    ),
    radial-gradient(
        farthest-side at 100% 50%,
        rgba(0, 0, 0, 0.2),
        rgba(0, 0, 0, 0)
      )
      0 100%;
  background-repeat: no-repeat;
  background-color: var(--bg-color);
  background-size: 40px 100%, 40px 100%, 14px 100%, 14px 100%;
  background-position: 0 0, 100%, 0 0, 100%;
  background-attachment: local, local, scroll, scroll;
}
              
            
!

JS

              
                function toggleSort(btnID, colID, colNum, regionID) {
  var theButton = document.getElementById(btnID);
  var theColumn = document.getElementById(colID);
  var liveRegion = document.getElementById(regionID);
  var sortedTDs = document.querySelectorAll(
    "td:nth-child(" + colNum + "), *[role=cell]:nth-child(" + colNum + ")"
  );
  var currSort = theColumn.getAttribute("aria-sort");
  if (currSort == "descending") {
    clearSorts();
    theColumn.setAttribute("aria-sort", "ascending");
    liveRegion.innerHTML = "sorted up";
  } else {
    clearSorts();
    theColumn.setAttribute("aria-sort", "descending");
    liveRegion.innerHTML = "sorted down";
  }
  for (var i = 0; i < sortedTDs.length; i++) {
    sortedTDs[i].classList.add("sorted");
  }
  setTimeout(function () {
    liveRegion.innerHTML = "";
  }, 1000);
}

function clearSorts() {
  var thSort = document.querySelectorAll("*[aria-sort]");
  var tdSort = document.querySelectorAll(".sorted");
  var thBtn = document.querySelectorAll(
    "th > button, *[role=columnheader] > button"
  );
  for (var i = 0; i < thSort.length; i++) {
    thSort[i].removeAttribute("aria-sort");
  }
  for (var i = 0; i < tdSort.length; i++) {
    tdSort[i].classList.remove("sorted");
  }
}

function flipLiveRegion() {
  var strLiveProperty = document.querySelector('input[name="liveRegion"]:checked').value;
  var liveRegion = document.getElementById('SortNote');
  if (strLiveProperty == "off") {
    liveRegion.removeAttribute("aria-live");
  } else {
    liveRegion.setAttribute('aria-live', strLiveProperty);
  }
}
              
            
!
999px

Console