waypoints/test/fixtures/sticky.html

Easily execute a function when you scroll to an element

<div class="wp-container">
  <div class="before"></div>
  <div class="sticky"></div>
</div>

<style type="text/css">
  .wp-container {
    height:3000px;
  }

  .before {
    height:300px;
  }

  .sticky {
    height:50px;
  }
</style>