Javascript while read json gives type TypeError

by Artur Filipiak

HTML

<table> 
        <thead>
            <tr> 
                <th>Column 1</td>
                <th>Column 2</td>
            </tr>
        </thead>
        <tbody id=test>
        </tbody>
    </table>

CSS

table, th, td {
   border: 1px solid black;
    text-align : center;
}

JavaScript

var result = [
        ['foo','bar'],
        ['hello','world']
    ],
    // your pos, set to static for demo purposes:
    pos = 4,
    tablecontent = '';

for ( var i=0 ; i<pos; i++){
    if(i < result.length)
    tablecontent += "<tr><td>"+result[i][0]+"</td><td>"+result[i][1]+"</td></tr>";
}
test.innerHTML += tablecontent;