supreme captcha

;
(function() {
    function findCaptcha() {
        return document.querySelector('.g-recaptcha') || document.getElementById('g-recaptcha');
    }
    function completeCaptch(intervalID) {
        intervalID = setInterval(function() {
            if (findCaptcha() != null) {
                findCaptcha()
                    .remove();
                clearInterval(intervalID);
            }
        }, 200);
    }
    var loadedID = null;
    if (location.hash === '#checkout' || location.pathname === '/checkout') {
        completeCaptch(loadedID);
    }
    var stateID = null;
    window.addEventListener('popstate', function(event) {
        stateID = null;
        clearInterval(stateID);
        if (location.hash === '#checkout' || location.pathname === '/checkout') {
            completeCaptch(stateID);
        }
    }, false);
})();