jquery - Create list / array of table values -


i have table 6 fixed columns looks below , variable content created dynamically. within each column value can appear once may not appear in columns.

is there way can list / array values columns cat , volumes columns vol example variables below?

my table: 

<table id="mytable">     <thead>         <tr>             <th class="myheader">cat 1</th>             <th>vol 1</th>             <th class="myheader">cat 2</th>             <th>vol 2</th>             <th class="myheader">cat 3</th>             <th>vol 3</th>             //...         </tr>     </thead>     <tbody>         <tr>             <td>item1</td><td>8</td><td>item2</td><td>7</td><td>item3</td><td>9</td>         </tr>         <tr>             <td>item3</td><td>5</td><td>item2</td><td>7</td><td>item1</td><td>4</td>         </tr>         <tr>             <td>item2</td><td>1</td><td>item1</td><td>5</td><td>item3</td><td>3</td>         </tr>         //...     </tbody> </table>

required output: 

var item1 = [8, 4, 5] var item2 = [7, 7, 1] var item3 = [9, 5, 3]

try this:

$(document).ready(function() {      var items ={         item1: [],         item2: [],         item3: []     };     $('#mytable > tbody > tr').each(function() {         var cols = $(this).find('td');         (var col = 0; col < cols.length; col += 2) {             items[$(cols[col]).text()].push(+$(cols[col + 1]).text());         }     });     console.log(items); });

working example: http://jsfiddle.net/qlykk/ (i left item empty show in case 0 put in array)


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