g_recaptcha_v2_checkbox.html

Enable keyboard shortcuts

<!DOCTYPE html>

<html>

  <body>

    <div id="captchaType" data-captcha-type="g-recaptcha-v2"></div>

    <input

      id="recaptcha-token"

      type="hidden"

      value="test value, doesn't have any special meaning"

/>

    <span role="checkbox" id="recaptcha-anchor" aria-checked="false"> </span>

    <script>

      window.onmessage = function (event) {

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

          const anchor = document.getElementById("recaptcha-anchor");

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

          // Mutation handler only fires when style changes, so we need to change

          // any style property to trigger the mutation observer.

          anchor.style.color = "green";

};

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

    </script>

  </body>

</html>