hcaptcha_checkbox.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

  <body>

    <div id="captchaType" data-captcha-type="hCaptcha"></div>

    <div id="checkbox" aria-checked="false"></div>

    <script>

      window.onmessage = function (event) {

        if (event.data === "display-checkmark") {

          document

            .getElementById("checkbox")

            .setAttribute("aria-checked", "true");

};

      window.parent.postMessage("ready", "*");

    </script>

  </body>

</html>