main frame - has 1 onunload handler(s)
ALERT: window.onload
ALERT: window.onpageshow, target = [object HTMLDocument], persisted = false
CONSOLE MESSAGE: line 27: Use of window.alert is not allowed while unloading a page.
main frame - has 1 onunload handler(s)
ALERT: window.onload
ALERT: window.onpageshow, target = [object HTMLDocument], persisted = false
Test pageshow/pagehide event behavior when navigating back to an uncached page.