Video on Tizen tv 6.5 do not show from Blob url

Following this code to show video from Blob. Video showed well on Tizen 4.0 but Tizen 6.5 is not show any thing.

      <script>
        // https://developer.mozilla.org/en-US/docs/Web/API/XMLHttpRequest/Sending_and_Receiving_Binary_Data
        var v = document.querySelector('video');
        var xhr = new XMLHttpRequest();
        xhr.open('GET', '/change_number_active.mp4', true);
        xhr.responseType = 'blob';
        xhr.onreadystatechange = function() {
            console.log('state changed' , xhr.status)
            if(xhr.status === 200) {
                console.log('success');
                var blob = new Blob([xhr.response], {type: 'video/mp4'});
                var url = URL.createObjectURL(blob);
                v.src = url;
            }
        }
        
        xhr.send();
    </script>