How To Sort Table Data Example

<!DOCTYPE html>
<html>
<head>
<title>Sortable Table Example</title>
<style>
  body {
    font-family: sans-serif;
    margin: 20px;
  }
  table {
    width: 100%;
    border-collapse: collapse;
    box-shadow: 0 2px 5px rgba(0,0,0,0.1);
  }
  th, td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #ddd;
  }
  th {
    background-color: #007bff;
    color: white;
    cursor: pointer; /* Indicates it's clickable */
    user-select: none;
  }
  th:hover {
    background-color: #0056b3;
  }
  tbody tr:hover {
    background-color: #f5f5f5;
  }
</style>
</head>
<body>

<p>Click on the "Name" or "Country" headers to sort the table.</p>

<table id="myTable">
  <thead>
    <tr>
      <th onclick="sortTable(0)">Name &#x21D5;</th>
      <th onclick="sortTable(1)">Country &#x21D5;</th>
    </tr>
  </thead>
  <tbody>
    <tr>
      <td>Zack</td>
      <td>Sweden</td>
    </tr>
    <tr>
      <td>Alice</td>
      <td>Canada</td>
    </tr>
    <tr>
      <td>David</td>
      <td>Australia</td>
    </tr>
    <tr>
      <td>Bob</td>
      <td>USA</td>
    </tr>
  </tbody>
</table>

<script>
function sortTable(n) {
  var table, rows, switching, i, x, y, shouldSwitch, dir, switchcount = 0;
  table = document.getElementById("myTable");
  switching = true;
  // Set the sorting direction to ascending:
  dir = "asc"; 
  /* Make a loop that will continue until
  no switching has been done: */
  while (switching) {
    // Start by saying: no switching is done:
    switching = false;
    rows = table.rows;
    /* Loop through all table rows (except the
    first, which contains table headers): */
    for (i = 1; i < (rows.length - 1); i++) {
      // Start by saying there should be no switching:
      shouldSwitch = false;
      /* Get the two elements you want to compare,
      one from current row and one from the next: */
      x = rows[i].getElementsByTagName("TD")[n];
      y = rows[i + 1].getElementsByTagName("TD")[n];
      /* Check if the two rows should switch place,
      based on the direction, asc or desc: */
      if (dir == "asc") {
        if (x.innerHTML.toLowerCase() > y.innerHTML.toLowerCase()) {
          // If so, mark as a switch and break the loop:
          shouldSwitch = true;
          break;
        }
      } else if (dir == "desc") {
        if (x.innerHTML.toLowerCase() < y.innerHTML.toLowerCase()) {
          // If so, mark as a switch and break the loop:
          shouldSwitch = true;
          break;
        }
      }
    }
    if (shouldSwitch) {
      /* If a switch has been marked, make the switch
      and mark that a switch has been done: */
      rows[i].parentNode.insertBefore(rows[i + 1], rows[i]);
      switching = true;
      // Each time a switch is done, increase this count by 1:
      switchcount ++;      
    } else {
      /* If no switching has been done AND the direction is "asc",
      set the direction to "desc" and run the while loop again. */
      if (switchcount == 0 && dir == "asc") {
        dir = "desc";
        switching = true;
      }
    }
  }
}
</script>

</body>
</html>