>
> Same browser (Safari.latest) on the same computer, the Prototype method
> gives me a security failure (Origin [my host] is not allowed by
> Access-Control-Allow-Origin.) while the long-hand XHR (inside a Prototype
> observer) just works without any comment:
>
>
> Two differences I can notice:
1. Prototype sets request headers 'X-Requested-With',
'X-Prototype-Version', 'Accept' with setRequestHeaders() - you don't
2. Prototype calls send with null argument
this.transport.send(null); // Prototype
vs
client.send(); // your raw XHR
If you can test your code with these two changes - will it raise error?
$('zip').observe('change', function(evt) {
var client = new XMLHttpRequest();
client.open("GET",
"http://zip.elevenbasetwo.com?zip=<http://zip.elevenbasetwo.com/?zip=>"
+ $F(this), true);
client.onreadystatechange = function() {
if(client.readyState == 4) {
var data = client.responseText.evalJSON();
$('city').setValue(data.city);
$('state').setValue(data.state);
};
};
* client.setRequestHeader('X-Requested-With', 'XMLHttpRequest');
client.setRequestHeader('X-Prototype-Version', '1.7');
*
* client.setRequestHeader('Accept', 'text/javascript, text/html,
application/xml, text/xml, */*');*
client.send(*null*);
});
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