금액단위 제거 표기

<table id="price">
<tr>
  <td class="price_01">700,000</td>
  <td>5,000</td>
  <td class="price_rs"></td>
</tr>
<tr>
  <td class="price_01">600,000</td>
  <td>3,000</td>
  <td class="price_rs"></td>
</tr>
<tr>
  <td class="price_01">500,000</td>
  <td>7,000</td>
  <td class="price_rs"></td>
</tr>
< /table>

< script type="text/javascript">
$(".price_01").each(function(){
  var price_01 = $(this).html().replace(/,/g, "");
  var price_02 = $(this).next().html().replace(/,/g, "");
  var price = (price_01-price_02).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",")
  var price_rs = $(this).next().next(".price_rs");

  price_rs.html(price);
});
< /script>