==== css
table.scroll {
width: 100%;
border-spacing: 0;
border: 2px solid black;
}
table.scroll tbody,table.scroll thead { display: block; }
thead tr th {
height: 30px;
line-height: 30px;
}
table.scroll tbody {
height: 100px;
overflow-y: auto;
overflow-x: hidden;
}
tbody { border-top: 2px solid black; }
tbody td, thead th {
width: 20%; /* Optional */ border-right: 1px solid black;}
tbody td:last-child, thead th:last-child {
border-right: none;}
==== jquery
var $table = $('table.scroll'),
$bodyCells = $table.find('tbody tr:first').children(),
colWidth;
$(window).resize(function() {
colWidth = $bodyCells.map(function() {
return $(this).width();
}).get();
$table.find('thead tr').children().each(function(i, v) {
$(v).width(colWidth[i]);
});
}).resize();
=== html
<table class="scroll">
<thead>
<tr>
<th>Head 1</th>
<th>Head 2</th>
<th>Head 3</th>
<th>Head 4</th>
<th>Head 5</th>
</tr>
</thead>
<tbody>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Lorem ipsum dolor sit amet.</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
<tr>
<td>Content 1</td>
<td>Content 2</td>
<td>Content 3</td>
<td>Content 4</td>
<td>Content 5</td>
</tr>
</tbody>
</table>
