test

<script>
(function () {
    const originalAppendChild = Element.prototype.appendChild;

    Element.prototype.appendChild = function (element) {
        if (
            element &&
            element.tagName === 'SCRIPT' &&
            element.src &&
            element.src.indexOf('maps.googleapis.com/maps/api/js') !== -1
        ) {
            const url = new URL(element.src);

            url.searchParams.set('region', 'CA');
            url.searchParams.set('language', 'en');

            element.src = url.toString();
        }

        return originalAppendChild.call(this, element);
    };
})();
</script>