<script src="https://code.jquery.com/jquery-2.1.4.js"></script><p id="feedback">

<script src="http://code.jquery.com/ui/1.11.4/jquery-ui.js"></script>

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<span>You've selected:</span> <span id="select-result">none</span>.

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<table id="selectable">

    <thead>

        <th>Monday</th>

        <th>Tuesday</th>

        <th>Wednesday</th>

    </thead>

​

    <tr>

        <td class="monday">dfs</td>

        <td class="tuesday">dfs</td>

        <td>dfs</td>

    </tr>

    <tr>

        <td class="monday">dfs</td>

        <td class="tuesday">dfs</td>

        <td>dfs</td>

    </tr>

    <tr>

        <td class="monday">dfs</td>

        <td class="tuesday">dfs</td>

        <td>dfs</td>

    </tr>

</table>