php - Smarter way to update td content in jQuery -


i'm running html , jquery code works looks ugly me. appreciate suggestion more smarter.

goal: update cells of php generated table using input field. each cells contains basic value should multiplied input.

currently, read value of input, take basic value of each cell hidden input , rewrite whole html of each cell ( hidden input + updated data).

html code:

<table id='tbl'>     <thead>         <tr>             <th colspan="2">quantity:                 <input type="text" id="quantity" name="quantity" value="1">             </th>         </tr>     </thead>     <tbody>         <tr>             <td>                 <input name="1_1" type="hidden" value="11"><span>11</span>             </td>             <td>                 <input name="1_2" type="hidden" value="12"><span>12</span>             </td>         </tr>         <tr>             <td>                 <input name="2_1" type="hidden" value="21">21             </td>             <td>                 <input name="2_2" type="hidden" value="22">22             </td>         </tr>         <tr>             <td>                 <input name="3_1" type="hidden" value="31">31            </td>             <td>                 <input name="2_2" type="hidden" value="32">32            </td>         </tr>     </tbody> </table>

script:

$('#quantity').keyup(function () {     var quantity = parsefloat($(this).val());     if (quantity == "" || isnan(quantity))         quantity = 1;     $('#tbl tbody tr td').map(function () {         var $row = $(this);         var $refvalue = $row.find(':input[type=hidden]').val();         var $refname = $row.find(':input[type=hidden]').attr('name');         $row.html('<input name="' + $refname + '" type="hidden" value="' + $refvalue + '">' + $refvalue * quantity);     }); });

fiddle : http://jsfiddle.net/5kkrd/

is there better way ? i'm able change both table, js , on.

regards

this approach - use data attribute (instead of hidden input) pass multiplier, e.g.:

<td class="cell" data-value="11">11</td>

with - can grab value using jquery, e.g.:

$('.cell').data('value')

demo


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