I can because I just found that very useful. Think of code that has an error in an window.onbeforeunload handler. By the time the console displays the error t

I can because I just found that very useful. Think of code that has an error in an window.onbeforeunload handler. By the time the console displays the error the page has switched. Without being able to view the errors from the previous page, this would have been impossible to catch.