Fire event when div is visible to visitor with jQuery?

Question

The function: I want to change the class of a certain item when a user see a certain div (scrolls down to it).

How I do it now: I\'

Answer 1

I use a similar plugin but this uses the bind method and uses an event -> http://remysharp.com/2009/01/26/element-in-view-event-plugin/

Sample usage :

$('div').bind('inview', function (event, visible) {
  if (visible == true) {
    // element is now visible in the viewport
  } else {
    // element has gone out of viewport
  }
});