<!DOCTYPE html> <html> <head> <!-- This page differs from pageWithOnUnload.html in that it returns a string in the event handler, which causes a different type of alert to appear (the "Stay on page/Leave current page" alert). --> <script type="text/javascript"> function onBeforeUnloadHandler() { return "This is for WebDriver with onbeforeunload event handler."; } window.onbeforeunload = onBeforeUnloadHandler; </script> <title>Page with OnBeforeUnload handler</title> </head> <body> <p>Page with onbeforeunload event handler. <a id="navigate" href="alerts.html">Click here to navigate to another page.</a></p> </body> </html>