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diff --git a/data/extensions/jsr@javascriptrestrictor/wrappingS-BE.js b/data/extensions/jsr@javascriptrestrictor/wrappingS-BE.js
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+/** \file
+ * \brief Wrappers for that disables the Beacon API.
+ *
+ * \see https://www.w3.org/TR/beacon/
+ *
+ *  \author Copyright (C) 2021  Libor Polcak
+ *
+ *  \license SPDX-License-Identifier: GPL-3.0-or-later
+ */
+//
+//  This program is free software: you can redistribute it and/or modify
+//  it under the terms of the GNU General Public License as published by
+//  the Free Software Foundation, either version 3 of the License, or
+//  (at your option) any later version.
+//
+//  This program is distributed in the hope that it will be useful,
+//  but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  GNU General Public License for more details.
+//
+//  You should have received a copy of the GNU General Public License
+//  along with this program.  If not, see <https://www.gnu.org/licenses/>.
+//
+
+/** \file
+ * \ingroup wrappers
+ *
+ * The `navigator.sendBeacon()` method asynchronously sends a small
+ * amount of data over HTTP to a web server. It is intended to be
+ * used for sending analytics data to a web server. For more details
+ * see the MDN docs on the [Beacon API](https://developer.mozilla.org/en-US/docs/Web/API/Beacon_API) and
+ * [sendBeacon](https://developer.mozilla.org/en-US/docs/Web/API/Navigator/sendBeacon).
+ *
+ * `navigator.sendBeacon` is the only method currently defined for the
+ * Beacon API.
+ */
+
+/*
+ * Create private namespace
+ */
+(function() {
+	var wrappers = [
+		{
+			parent_object: "Navigator.prototype",
+			parent_object_property: "sendBeacon",
+			wrapped_objects: [],
+			helping_code: "",
+			/// Although we should return false, we spoof returning true as ClearURL does
+			wrapping_function_body: `
+					return true;
+				`,
+		},
+	]
+	add_wrappers(wrappers);
+})()