使用变量从html表中选择行。

<table id="myTable">
  <tr>
    <th>Select</th>
    <th>Name</th>
    <th>Age</th>
  </tr>
  <tr>
    <td><input type="checkbox" name="selectRow"></td>
    <td>John Doe</td>
    <td>25</td>
  </tr>
  <tr>
    <td><input type="checkbox" name="selectRow"></td>
    <td>Jane Smith</td>
    <td>30</td>
  </tr>
  <tr>
    <td><input type="checkbox" name="selectRow"></td>
    <td>Bob Johnson</td>
    <td>35</td>
  </tr>
</table>

var table = document.getElementById("myTable");
var rows = table.getElementsByTagName("tr");

var selectedRows = [];

for (var i = 0; i < rows.length; i++) {
  var checkbox = rows[i].querySelector('input[name="selectRow"]');
  if (checkbox.checked) {
    var rowData = [];
    var cells = rows[i].getElementsByTagName("td");
    for (var j = 0; j < cells.length; j++) {
      rowData.push(cells[j].innerHTML);
    }
    selectedRows.push(rowData);
  }
}

console.log(selectedRows);