anchor.diff:                          while (resultSet.next()) {
                   %>
                   <tr <%= "id=\"row:" + resultSet.getInt("employee_id") + "\""%>>
  -                    <td><%= counter++ %></td>
  +                    <td><%= counter++%></td>
                       <td><%= resultSet.getInt("employee_id")%></td>
                       <td><%= resultSet.getString("first_name")%></td>
                       <td><%= resultSet.getString("last_name")%></td>
  
positive.code:                     <td><%= resultSet.getString("phone_number")%></td>
                      <td><%= resultSet.getDouble("salary")%></td>
                      <td>
                          <a href="#" onclick="showData(<%= resultSet.getInt("employee_id")%>); return false;">show data</a>
                      </td>
                  <tr/>
                  <%
  
negative.code:         function showData(id) {
              var tr = document.getElementById("row:" + id);
              var nodes = tr.childNodes;
              var data = [];
              for (var i = 0; i < nodes.length; i++) {
                  var node = nodes[i];
                  if (node.nodeType === 1 && node.innerText !== 'show data') {
                      data.push(node.innerText);
                  }
              }
  
  