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In the example below, when I click the button, it says "Load was performed" but no text is shown.
I have a clientaccesspolicy.xml in the root directory and am able to asynchronously load the same file from silverlight. So I would think I should be able to access from AJAX as well.
What do I have to change so that the text of the file http://www.tanguay.info/knowsite/data.txt is properly displayed in the #content element?
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<script type="text/javascript"
src="http://www.google.com/jsapi"></script>
<script type="text/javascript">
google.load("jquery", "1.3.2");
google.setOnLoadCallback(function() {
$('#loadButton').click(loadDataFromExernalWebsite);
});
function loadDataFromExernalWebsite() {
$('#content').load('http://www.tanguay.info/knowsite/data.txt', function() {
alert('Load was performed.');
});
}
</script>
</head>
<body>
<p>Click the button to load content:</p>
<p id="content"></p>
<input id="loadButton" type="button" value="load content"/>
</body>
</html>
I don't think any browser obeys
clientaccesspolicy.xmlorcrossdomain.xmlfor XMLHttpRequest.There are other mechanisms you can look at, such as Cross-Origin Resource Sharing. This is supported by Firefox 3.5 and later.
Clientaccesspolicy has no affect on javascript. Most (maybe all?) modern browsers will prevent you from running cross-site-scripting, as it is a security risk.
Your alternative is to proxy that site through a file on your own site, like
/proxy.php?loadurl=http://theothersite.comand then call that file via the Javascript, which would be allowed since it is from your domain.