<!DOCTYPE html> <html lang="en"> <meta charset="utf-8"> <title>Bug 1271714: Hit testing should be able to find the .opacityFilter element</title> <style type="text/css"> #opacityFilter { border: 1px solid black; height: 200px; width: 200px; filter: opacity(0); } </style> <p id="output">FAIL</p> <div id="opacityFilter"></div> <script> if (document.elementFromPoint(100, 100).id == "opacityFilter") { document.getElementById("output").textContent = "PASS"; } </script>