JavaScript Examples Bible - UserWorks Technologies

Chapter 2 ✦ Window and Frame Objects (Chapter 16)
wintxt += “An error has occurred on this page. “
wintxt += “Please report it to Tech Support.”
wintxt += “”
wintxt += “”
wintxt += “Error: “ + msg + “\n”
wintxt += “URL: “ + URL + “\n”
wintxt += “Line: “ + lineNum + “\n”
wintxt += “Client: “ + navigator.userAgent + “\n”
wintxt += “-----------------------------------------\n”
wintxt += “Please describe what you were doing when the error occurred:”
wintxt += “”
wintxt += “”
wintxt += “”
wintxt += “”
errWind.document.write(wintxt)
errWind.document.close()
return true
}
Figure 2-2: An example of a self-reporting
error window
I provide a button that performs a hard reload, which, in turn, resets the window.
onerror property to its default value. With error dialog boxes turned off, the errorhandling
function does not run.
141
windowObject.onerror