Re-Order Tables

Re-Order Tables HTML

<h1>Sorting A Table With jQuery UI</h1>
<a href='http://www.foliotek.com/devblog/make-table-rows-sortable-using-jquery-ui-sortable/'>Make table rows sortable with jQuery UI</a>

<table id="sort" class="grid" title="Kurt Vonnegut novels">
    <thead>
        <tr><th class="index">No.</th><th>Year</th><th>Title</th><th>Grade</th></tr>
    </thead>
    <tbody>
        <tr><td class="index">1</td><td>1969</td><td>Slaughterhouse-Five</td><td>A+</td></tr>
        <tr><td class="index">2</td><td>1952</td><td>Player Piano</td><td>B</td></tr>
        <tr><td class="index">3</td><td>1963</td><td>Cat's Cradle</td><td>A+</td></tr>
        <tr><td class="index">4</td><td>1973</td><td>Breakfast of Champions</td><td>C</td></tr>
        <tr><td class="index">5</td><td>1965</td><td>God Bless You, Mr. Rosewater</td><td>A</td></tr>
    </tbody>
</table>

Re-Order Tables JavaScript

// Java Script 
var fixHelperModified = function(e, tr) {
    var $originals = tr.children();
    var $helper = tr.clone();
    $helper.children().each(function(index) {
        $(this).width($originals.eq(index).width())
    });
    return $helper;
},
    updateIndex = function(e, ui) {
        $('td.index', ui.item.parent()).each(function (i) {
            $(this).html(i + 1);
        });
    };

$("#sort tbody").sortable({
    helper: fixHelperModified,
    stop: updateIndex
}).disableSelection();

Save

// SAve Click 
var array = [] ; 

$('#sort').has('td').each(function() {
  
  arrayItem ={} ;
  
  var arrayItem = {} : // New Object 
  
  $('td'.$(this)).each(function (index,item){
    
    arrayItem[$(item).attr('id').toString()] = $.trim($(item).text());    
    
    });
    
    array.push(arrayitem);
  
  });
  
  var b = JSON.stringify ({cart : array})
  
  $.ajax ({
    
    url: @Url.Action() ,
    type: 'POST' , 
    dataType : 'json' , 
    contentType : 'application/json; charset=utf-8' , 
    data: p , 
    success : function(data){
      
      
    }
        
    
  });
  

at line no 29, data: p
shouldn't it be data: b ?