We would like to know how to click to show and click else where to hide.
<!DOCTYPE html>
<html lang="en">
<head>
<style type="text/css">
.spoiler { <!-- w w w .java2 s.c o m-->
background: #EEE;
color: black;
width: 500px;
padding: 40px;
display: none;
}
.spoilerbutton:focus + .spoiler { display: block; }
</style>
</head>
<body>
<input class="spoilerbutton" type="button" value="Hidden">
<div class="spoiler">java2s.com</div>
</body>
</html>
The code above is rendered as follows: