e replacements are necessary if you render to raw HTML
            //text = text.replace(/&/g, "&amp;");
            //text = text.replace(/</g, "&lt;");
            //text = text.replace(/>/g, "&gt;");
            //text = text.replace('\n', '<br>', 'g');
            console.log(text);
            if (element) {
              element.value += text + "\n";
              element.scrollTop = element.scrollHeight; // focus on bottom
            }
          };
        })(),
        canvas: (() => {
          va