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BOOK: Professional Ajax 2nd Edition ISBN: 978-0-470-10949-6
 | This is the forum to discuss the Wrox book Professional Ajax, 2nd Edition by Nicholas C. Zakas, Jeremy McPeak, Joe Fawcett; ISBN: 9780470109496 |
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May 25th, 2009, 04:16 PM
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zxml library XMLHttpRequest() problem
I have been using the excellent zxml library for the last year so on a site hosted on Ubunu 6.04. I have now migrated to Ubuntu 8.04 and the Ajax now fails. I have narrowed the problem to the line:-
Code:
return new XMLHttpRequest();
in zxml. js. Using IE8 I get the error "Object doesn't suppot this property or method" (IE7 gave similar error). Strangely, if after loading the page I 'refresh' the browser the code then works.
Can anyone explain what is going on here?
Thanks.
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May 26th, 2009, 06:38 PM
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Howdy, dastard.
I can't think of anything off the top of my head that would cause this. Can you provide a link to the page giving you the error?
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May 26th, 2009, 07:37 PM
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Thanks for replying Jeremy. I seem to have inadvertently found the solution myself. The page is on an intranet and on trying to find the minimum code to replicate the problem I found that
Code:
<html>
<head>
<title>Ajax test</title>
<script type="text/javascript"src="js/zxml.src.js"></script>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script language="javascript" type="text/javascript">
var oXHR = zXmlHttp.createRequest();
</script>
</head>
gives an error whilst
Code:
<html>
<head>
<title>Ajax test</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
<script type="text/javascript"src="js/zxml.src.js"></script>
<script language="javascript" type="text/javascript">
var oXHR = zXmlHttp.createRequest();
</script>
</head>
is ok.
Thus calling the js library before the meta tag does not work. Perhaps this is to be expected - I don't know. Perhaps you could comment? Anyway it's working now!
Thanks again,
Dastard
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