FAILED HTML table to Javascript array

by perqa

HTML

<table border="1">
    <thead>
        <tr>
            <th>line</th>
            <th>value1</th>
            <th>value2</th>
        </tr>
    </thead>
    <tbody>
        <tr>
            <td rowspan="2">1</td>
            <td>1.1</td>
            <td>1.2</td>
        </tr>
        <tr>
            <td>1.3</td>
            <td>1.4</td>
        </tr>
        <tr>
            <td rowspan="2">2</td>
            <td>2.1</td>
            <td>2.2</td>
        </tr>
        <tr>
            <td>2.3</td>
            <td>2.4</td>
        </tr>
    </tbody>
</table>
<pre id="res"></pre>

JavaScript

var jsonTable = {};

// add a new array property named: "columns"
$('table').find('thead tr').each(function() {
    jsonTable.columns = $(this).find('th').text();
});

// now add a new array property which contains your rows: "rows"
$('table').find('tbody tr').each(function() {
    var row = {};
    var col;

    // add data by colum names derived from "tbody"

    for(var i = 0; i < jsonTable.columns.length; i++) {
        col = jsonTable.columns[i];
        row[ col ] = $(this).find('td').eq( i ).text();
    }

    // push it all to the results..

    jsonTable.push( row );
});

var json = JSON.stringify(jsonTable);
alert(json);
var res = document.getElementById("res");
res.innerHTML = json;