letsencrypt_ACME_v2_watcher.js

var domain = "https://acme-v02.api.letsencrypt.org/directory";
function httpGetAsync(theUrl, callback) {
    var xmlHttp = new XMLHttpRequest();
    xmlHttp.onreadystatechange = function () {
        if (xmlHttp.readyState == 4 && xmlHttp.status == 200) {
            window.location = "https://www.youtube.com/watch?v=3GwjfUFyY6M"
        } else if (xmlHttp.readyState == 4) {
            console.log("not yet")
            setTimeout(function () { httpGetAsync(domain, null) }, 10000);
        }
    }
    xmlHttp.open("GET", theUrl, true); // true for asynchronous
    xmlHttp.send(null);
}
httpGetAsync(domain, null)