<html> <head> <script> if (window.testRunner) testRunner.dumpAsText(); function windowEventHandler() { document.getElementById("result").innerHTML = "PASS!"; } window.addEventListener('load', windowEventHandler, true) </script> </head> <body> Capturing load event listeners on the window should fire. This test checks if they do.<br> <span id="result">FAIL!</span> </body> </html>