jQuery hide show dt dd row

What would be the preferred way to hide or show the dt and dd for discount?

<dl class="total-line">
                    <dt>Subtotal:</dt><dd>$211.55</dd>
                    <dt>Shipping:</dt><dd>$5.55</dd>
                    <dt>Tax:</dt><dd>$0</dd>
                    <dt>Discount:</dt><dd>-$5.55</dd>
                    <dt>Grand Total:</dt><dd>$211.55</dd>
 </dl>
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JRockFLAsked:
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Gurvinder Pal SinghCommented:
//to hide
$(".total-line dt").last().hide();
$(".total-line dd").last().hide();

//to show
$(".total-line dt").last().show();
$(".total-line dd").last().show();

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leakim971PluritechnicianCommented:
what about :
$( ".total-line dd:eq(" + $("dt:contains('Discount')").hide().index(".total-line dt") + ")" ).hide();

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Gurvinder Pal SinghCommented:
or even

//to hide
$(".total-line dt").last().hide().next("dd").hide();

//to show
$(".total-line dt").last().show().next("dd").show();
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Gurvinder Pal SinghCommented:
Sorry, i was working on last item rather than 'Discount' one

make it

//to hide
$(".total-line dt").last().prev("dt").hide().next("dd").hide();

//to show
$(".total-line dt").last().prev("dt").show().next("dd").show();

if the order of the items is not fixed, then
$(".total-line dt").each(function(){
  if ($(this).html().indexOf("Discount") != -1)
  {
     $(this).show(); \\or use hide() for hiding
     $(this).next().show(); \\or use hide() for hiding
  }
});
JRockFLAuthor Commented:
Could I just add a id to the discount dt and dd?
JRockFLAuthor Commented:
nevermind, this works great.

f the order of the items is not fixed, then
$(".total-line dt").each(function(){
  if ($(this).html().indexOf("Discount") != -1)
  {
     $(this).show(); \\or use hide() for hiding
     $(this).next().show(); \\or use hide() for hiding
  }
});
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