SO - 4593953

by Arun P Johny

HTML

<h4 class="toggle">1</h4>
<h4 class="toggle">2</h4>
<h4 class="toggle">3</h4>
<div class="container">Content1</div>
<div class="container">Content2</div>
<div class="container">Content3</div>

JavaScript

$(".toggle").click(function() { 
    $($('.container')[$(this).index(".toggle")]).toggle('fast'); 
});