' +
                        '<div class="message" id="#message-' + round_id + '"></div>';
                chat_container.appendChild(newDiv);

                let msg     = document.getElementById('#message-' + round_id);
                msg.innerText = input;

                if (isAtBottom) {
                    window.scrollTo(0, document.body.scrollHeight);
                }
            }

            function app_diff(one, other) {
                reset();

                var diff = Diff.diffChars(one