Edit in JSFiddle

var $check = $('input:checkbox'),
    $sel = $('select');

$check.change(function() {
    log( $check.attr('checked'), this.checked );
});

$sel.change(function() {
    var $opt = $sel.find('option[selected]');
    log( $opt.attr('selected'), $opt.prop('selected') );
});





var $res = $('#result');
function log( attr, prop ) {
    $res.html('<td>' + attr + '</td><td>' + prop + '</td>');
}
<input type="checkbox" checked="checked">
<select>
    <option value="1">1</option>
    <option selected="selected" value="2">2</option>
</select>

<table>
    <tr>
        <th>Attribute</th>
        <th>Property</th>
    </tr>
    <tr id="result"><td>checked</td><td>true</td></tr>
</table>