anchor.diff:                      <td><%= resultSet.getString("phone_number")%></td>
                       <td><%= resultSet.getDouble("salary")%></td>
                       <td>
  -                        <a href="#" onclick="viewData(<%= resultSet.getInt("employee_id")%>); return false;">overview</a>
  +                        <a href="#" onclick="showData(<%= resultSet.getInt("employee_id")%>); return false;">show data</a>
                       </td>
                   <tr/>
                   <%
  
positive.code:         %>    
          <h1>Employees</h1>
          <form method="post" action="index.jsp">
              <input type="text" name="q" value="<%= q.replace("%", "")%>"/>
              <select name="search_by">
                  <option value="name" <%= "name".equals(searchBy) ? "selected" : ""%>>name</option>
                  <option value="email" <%= "email".equals(searchBy) ? "selected" : ""%>>email</option>
  
negative.code:             while (--i !== -1) {
                  var node = nodes[length - (i + 1)];
                  if (node.nodeType === 1) {
                      if (node.innerText !== 'show data') {
                          data.push(node.innerText);
                      }
                  }
  