An HTML 4.01 (Transitional) web page includes the following JavaScript :

        var XHR = new XMLHttpRequest ()
        XHR.open("GET", "Resources/Texts/" + text + "s" + "/" + Folio + 
".html", false)
        alert (XHR.status)
                {
                        XHR.send(null)
                        document.getElementById ("Text").innerHTML = 
XHR.responseText
                }       


https://developer.mozilla.org/en/XMLHttpRequest tells me
that the property "status" exists.

The error console tells me

Error: uncaught exception: [Exception... "Component returned failure code: 0x80040111 
(NS_ERROR_NOT_AVAILABLE) [nsIXMLHttpRequest.status]"  nsresult: "0x80040111 
(NS_ERROR_NOT_AVAILABLE)"  location: "JS frame :: 
http://porphyrogenitus.org/Etheridge/Multifolio/Index-2.html :: SelectText :: line 412"  data: no]

What am I to infer from this ?  If I remove the
interrogation of XHR.status, all is well, but
of course I then cannot tell whether the requested
resource exists or not.

Philip Taylor
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