https://www.jasenna.eu/js/jquery.xdomainrequest.js?v=v6.5.0b

1// jQuery.XDomainRequest.js
2// Author: Jason Moon - @JSONMOON
3// IE8+
4if (!jQuery.support.cors && jQuery.ajaxTransport && window.XDomainRequest) {
5  var httpRegEx = /^https?:\/\//i;
6  var getOrPostRegEx = /^get|post$/i;
7  var sameSchemeRegEx = new RegExp('^'+location.protocol, 'i');
8  var htmlRegEx = /text\/html/i;
9  var jsonRegEx = /\/json/i;
10  var xmlRegEx = /\/xml/i;
11  
12  // ajaxTransport exists in jQuery 1.5+
13  jQuery.ajaxTransport('text html xml json', function(options, userOptions, jqXHR){
14    // XDomainRequests must be: asynchronous, GET or POST methods, HTTP or HTTPS protocol, and same scheme as calling page
15    if (options.crossDomain && options.async && getOrPostRegEx.test(options.type) && httpRegEx.test(options.url) && sameSchemeRegEx.test(options.url)) {
16      var xdr = null;
17      var userType = (userOptions.dataType||'').toLowerCase();
18      return {
19        send: function(headers, complete){
20          xdr = new XDomainRequest();
21          if (/^\d+$/.test(userOptions.timeout)) {
22            xdr.timeout = userOptions.timeout;
23          }
24          xdr.ontimeout = function(){
25            complete(500, 'timeout');
26          };
27          xdr.onload = function(){
28            var allResponseHeaders = 'Content-Length: ' + xdr.responseText.length + '\r\nContent-Type: ' + xdr.contentType;
29            var status = {
30              code: 200,
31              message: 'success'
32            };
33            var responses = {
34              text: xdr.responseText
35            };
36            try {
37              if (userType === 'html' || htmlRegEx.test(xdr.contentType)) {
38                responses.html = xdr.responseText;
39              } else if (userType === 'json' || (userType !== 'text' && jsonRegEx.test(xdr.contentType))) {
40                try {
41                  responses.json = jQuery.parseJSON(xdr.responseText);
42                } catch(e) {
43                  status.code = 500;
44                  status.message = 'parseerror';
45                  //throw 'Invalid JSON: ' + xdr.responseText;
46                }
47              } else if (userType === 'xml' || (userType !== 'text' && xmlRegEx.test(xdr.contentType))) {
48                var doc = new ActiveXObject('Microsoft.XMLDOM');
49                doc.async = false;
50                try {
51                  doc.loadXML(xdr.responseText);
52                } catch(e) {
53                  doc = undefined;
54                }
55                if (!doc || !doc.documentElement || doc.getElementsByTagName('parsererror').length) {
56                  status.code = 500;
57                  status.message = 'parseerror';
58                  throw 'Invalid XML: ' + xdr.responseText;
59                }
60                responses.xml = doc;
61              }
62            } catch(parseMessage) {
63              throw parseMessage;
64            } finally {
65              complete(status.code, status.message, responses, allResponseHeaders);
66            }
67          };
68          // set an empty handler for 'onprogress' so requests don't get aborted
69          xdr.onprogress = function(){};
70          xdr.onerror = function(){
71            complete(500, 'error', {
72              text: xdr.responseText
73            });
74          };
75          var postData = '';
76          if (userOptions.data) {
77            postData = (jQuery.type(userOptions.data) === 'string') ? userOptions.data : jQuery.param(userOptions.data);
78          }
79          xdr.open(options.type, options.url);
80          xdr.send(postData);
81        },
82        abort: function(){
83          if (xdr) {
84            xdr.abort();
85          }
86        }
87      };
88    }
89  });
90}