function sleep(ms) {
    return new Promise(resolve => setTimeout(resolve, ms));
}

async function update() {
    var d = new Date()
    console.log(d.getMilliseconds())
}

function send() {
    var secret = document.getElementsByClassName("secretBox")[0].value;
    var xhr = new XMLHttpRequest();
    xhr.open("POST", "/calculate", true);
    xhr.setRequestHeader('Content-Type', 'application/json');
    xhr.send(JSON.stringify({
        secret: secret,
    }));
    xhr.onload = function() {
        document.getElementsByClassName("totp-response-code")[0].innerHTML = JSON.parse(this.responseText)["code"];
        document.getElementsByClassName("totp-response-time")[0].innerHTML = JSON.parse(this.responseText)["time"];
    }
}