<!DOCTYPE html> <html lang="en"> <meta charset="utf-8"> <title>Bug 1271714: Hit testing should be able to find the .fixed element</title> <style type="text/css"> .positionedClip { position: relative; z-index: 1; overflow: hidden; } .relative { position: relative; z-index: 1; } .fixed { position: fixed; border: 1px solid black; height: 50px; width: 200px; } </style> <div class="positionedClip"> <div class="relative"> <div class="fixed"></div> </div> </div> <script> document.elementFromPoint(100, 30).style.backgroundColor = "yellow"; </script>