Export Table data into Excel

Html 

<input type="button" id="btnExport" value=" Export Table data into Excel " />
<br/>
<br/>
<div id="dvData">
    <table>
        <tr>
            <th>Column One</th>
            <th>Column Two</th>
            <th>Column Three</th>
        </tr>
        <tr>
            <td>row1 Col1</td>
            <td>row1 Col2</td>
            <td>row1 Col3</td>
        </tr>
        <tr>
            <td>row2 Col1</td>
            <td>row2 Col2</td>
            <td>row2 Col3</td>
        </tr>
        <tr>
            <td>row3 Col1</td>
            <td>row3 Col2</td>
            <td>row3 Col3</a>
            </td>
        </tr>
    </table>
</div>

Scripts Section

$("#btnExport").click(function (e) {
    window.open('data:application/vnd.ms-excel,' + $('#dvData').html());
    e.preventDefault();
});