We would like to know how to toggle style class on/off for css selectors.
<!DOCTYPE html>
<html>
<head>
<style type='text/css'>
.on {<!-- w w w.j a v a2 s.c o m-->
background-color: red;
}
</style>
</head>
<body>
<table onclick="this.classList.toggle('on');">
<tr>
<td>123</td>
</tr>
</table>
</body>
</html>
The code above is rendered as follows: