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47 lines
1.1 KiB
JavaScript
47 lines
1.1 KiB
JavaScript
// Create the XHR object.
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function createCORSRequest(method, url) {
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var xhr = new XMLHttpRequest();
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if ("withCredentials" in xhr) {
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// XHR for Chrome/Firefox/Opera/Safari.
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xhr.open(method, url, true);
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} else if (typeof XDomainRequest != "undefined") {
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// XDomainRequest for IE.
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xhr = new XDomainRequest();
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xhr.open(method, url);
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} else {
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// CORS not supported.
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xhr = null;
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}
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return xhr;
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}
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// Helper method to parse the title tag from the response.
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function getTitle(text) {
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return text.match('<title>(.*)?</title>')[1];
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}
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// Make the actual CORS request.
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function makeCorsRequest() {
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// All HTML5 Rocks properties support CORS.
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var url = 'http://sitea.fr:3000/comments';
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var xhr = createCORSRequest('GET', url);
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if (!xhr) {
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alert('CORS not supported');
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return;
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}
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// Response handlers.
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xhr.onload = function() {
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var text = xhr.responseText;
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//var title = getTitle(text);
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alert('Response from CORS request to ' + url + ': ' + text);
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};
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xhr.onerror = function() {
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alert('Woops, there was an error making the request.');
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};
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xhr.send();
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}
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