<tr>
    <td><input type="Checkbox" name="check"/></td>
    <td>random text1</td>
</tr>
<tr>
    <td><input type="Checkbox" name="check"/></td>
    <td>random text 2</td>
</tr>
<tr>
    <td><input type="Checkbox" name="check"/></td>
    <td>random text 4</td>
</tr>

var selectedArray = [];
var selected = new Object();
$('input[type=checkbox]').each(function () {
    selectedAttributes = $(this).closest('td').next().html();
    if (this.checked)
        searchAttibutes.push(selectedAttributes);
});

//o/p [random text1,random text 2]  -- assuming first 2 checkbox selected

var selectedArray = [];
var selected = new Object();
$('input[type=checkbox]').each(function () {
    selectedAttributes.random = $(this).closest('td').next().html();
    if (this.checked)
        searchAttibutes.push(selectedAttributes);
});

//o/p [Object { random="random text 4"}, Object { random="random text 4"}]  -- assuming first 2 checkbox selected

selectedAttributes = $(this).closest('td').next().html();

selectedAttributes.random = $(this).closest('td').next().html();