diff --git a/packages/happy-dom/src/xml-http-request/XMLHttpReqeustUtility.ts b/packages/happy-dom/src/xml-http-request/XMLHttpReqeustUtility.ts
new file mode 100644
index 000000000..17ee0ac44
--- /dev/null
+++ b/packages/happy-dom/src/xml-http-request/XMLHttpReqeustUtility.ts
@@ -0,0 +1,13 @@
+const NodeVersion = process.version.replace('v', '').split('.');
+
+export interface IXMLHttpRequestOptions {
+	anon?: boolean;
+}
+
+export const MajorNodeVersion = Number.parseInt(NodeVersion[0]);
+export const copyToArrayBuffer = (buffer: Buffer, offset?: number): ArrayBuffer => {
+	const arrayBuffer = new ArrayBuffer(buffer.length);
+	const view = new Uint8Array(arrayBuffer);
+	view.set(buffer, offset || 0);
+	return arrayBuffer;
+};