jQuery addClass example
Change class name on click in jQuery
by aparadise
HTML
<table>
<tr>
<td>one</td>
</tr>
<tr>
<td>one</td>
<td>one</td>
</tr>
<tr>
<td>one</td>
<td>one</td>
<td>one</td>
</tr>
</table>
JavaScript
/*
if( $('tr:not([style*="display: none"])').length == $(".machine-details").length){ alert('equal')}else{alert('not equal')}
*/
if( $('tr').length == 1){
alert('equal');
$('table').css('display', 'none');
}else{
alert('not equal')
}