问jQuery -更新表单后打印值-在数组中输入

EN

<table id="table">
    <tr>
      <td>Date</td>
      <td>Field 1</td>
      <td>Field 2</td>
    </tr>
    <tr>
      <td><input type="text" name="count[]" placeholder="Date"></td>
      <td><input type="text" name="field1[]"></td>
      <td><input type="text" name="field2[]"></td>
    </tr>
    <input type="button" value="Add Row" onclick="addRow('table')" />
  </table>

function addRow(tableID) {
var table = document.getElementById(tableID);
var rowCount = table.rows.length;
var $row = '<tr>'+
      '<td><input type="text" name="count[]" placeholder="Date"></td>'+
      '<td><input type="text" name="field1[]"></td>'+
      '<td><input type="text" name="field2[]"></td>'+
'</tr>'
if( rowCount <= 15)
  $('#table').append($row);
else {
  alert("Error.");
}

<span>SUM_FROM_FIELD1</span>