https://history.house.gov/_js/ailtire/ajax.js?nc=092320261821

1;ailtire.ajax = function() {
2    var
3
4    //flag indicating page is unloading, ajax errors are suppressed if true
5    mUnloading = false,
6
7    //error message displayed when an ajax error occurs.
8    mErrorMsg = "An error has occurred",
9
10    //
11    //init
12    //
13    init = function() {
14        //Setup default for ajax errors
15        $.ajaxSetup({
16            error: function(XMLHttpRequest, textStatus, errorThrown) {
17                if (!mUnloading) {
18                    alert(mErrorMsg + ": " + errorThrown);
19                }
20            }
21        });
22
23        //set the unloading flag when leaving the page.
24        $(window).bind("beforeunload", function() {
25            mUnloading = true;
26        });
27
28    },
29
30
31    //
32    //post to an mvc controller
33    //
34    post = function (url, data, callback) {
35        //This one works with complex json objects
36        $.ajax({
37            type: 'post',
38            url: url,
39            data: JSON.stringify(data),
40            contentType: "application/json; charset=utf-8",
41            traditional: true,
42            success: function (result) {
43                if (!checkTimeout(result)) {
44                    if (callback) {
45                        callback(result);
46                    }
47                }
48            }
49        });
50    },
51
52    //
53    //synchronous post to MVC controller
54    //
55    postSync = function (url, data) {
56        //$.post(
57        //    url,
58        //    data
59        //);
60
61        var ret = null;
62
63        //This one works with complex json objects
64        $.ajax({

65            type: 'post',
66            async: false,
67            url: url,
68            data: JSON.stringify(data),
69            contentType: "application/json; charset=utf-8",
70            traditional: true,
71            success: function (result) {
72                //if (!checkTimeout(result)) {
73                    ret = result;
74                //}
75            }
76        });
77
78        return ret;
79    },
80
81    //
82    //get from a controller url
83    //
84    get = function (url, callback) {
85        //This one works with complex json objects
86        $.get(
87            url,
88            function (result) {
89                if (!checkTimeout(result)) {
90                    if (callback) {
91                        callback(result);
92                    }
93                }
94            }
95        );
96    },
97
98    //
99    //see if timeout was returned by ajax, returns the timeout url if session has timed out
100    //
101    checkTimeout = function(result) {
102        if (result && typeof(result) == "object" && result.TimeoutUrl) {
103            window.location = result.TimeoutUrl;
104            return true;
105        } else {
106            return false;
107        }
108    };
109
110    //call init
111    $(document).ready(init);
112
113    return {
114        post: post,
115        postSync: postSync,
116        get: get
117    };
118}();