Add carrack.js on static
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18
static/js/carrack.js
Normal file
18
static/js/carrack.js
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function sendHttpRequest(url, method, data, callback, contentType = "multipart/form-data") {
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var xhr = new XMLHttpRequest();
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xhr.open(method, url, true);
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xhr.setRequestHeader("Content-Type", contentType);
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xhr.onreadystatechange = function () {
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if (xhr.readyState === 4) {
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if (xhr.status === 200) {
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var response = xhr.responseText;
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callback(null, response);
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}
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else callback(xhr.status, null);
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}
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};
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var requestData;
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if (contentType === "application/json") requestData = JSON.stringify(data);
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else requestData = data;
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xhr.send(requestData);
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}
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