What is the name of this event in jQuery?
<p>What is the name of this event of jQuery in this page:</p>

<p><a href="http://stackoverflow.com/about">http://stackoverflow.com/about</a>
Note that the animation is played (when I review a specific part of the page).</p>

<p>Also another example in Facebook, the content refreshes automatically when I just review the page or review the browser tab that contains it.</p>
