function getCookie(cname) {
let name = cname + "=";
let decodedCookie = decodeURIComponent(document.cookie);
let ca = decodedCookie.split(';');
for(let i = 0; i <ca.length; i++) {
let c = ca[i];
while (c.charAt(0) == ' ') {
c = c.substring(1);
}
if (c.indexOf(name) == 0) {
return c.substring(name.length, c.length);
}
}
return "";
}
//const loggedIn = getCookie("JWT-TOKEN");
//if(loggedIn.length){
//newUrl = new URL(window.location.href);
//if(!newUrl.searchParams.has("cd")) {
// newUrl.searchParams.set("cd", true);
//window.location.href = newUrl.href;
//}
//}
<!--(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-PDKTG5L');-->
<!-- -->
<!--
(function(h,o,t,j,a,r){
h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};
h._hjSettings={hjid:3277744,hjsv:6};
a=o.getElementsByTagName('head')[0];
r=o.createElement('script');r.async=1;
r.src=t+h._hjSettings.hjid+j+h._hjSettings.hjsv;
a.appendChild(r);
})(window,document,'https://static.hotjar.com/c/hotjar-','.js?sv=');
-->
function analyticsInit() {
if (window.gtmDidInit) {
return false;
}
window.gtmDidInit = true;
(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
})(window,document,'script','dataLayer','GTM-PDKTG5L');
(function(h,o,t,j,a,r){
h.hj=h.hj||function(){(h.hj.q=h.hj.q||[]).push(arguments)};
h._hjSettings={hjid:3277744,hjsv:6};
a=o.getElementsByTagName('head')[0];
r=o.createElement('script');r.async=1;
r.src=t+h._hjSettings.hjid+j+h._hjSettings.hjsv;
a.appendChild(r);
})(window,document,'https://static.hotjar.com/c/hotjar-','.js?sv=');
var googleOptimize = document.createElement('script');
googleOptimize .setAttribute('src','https://www.googleoptimize.com/optimize.js?id=OPT-KHT7PBM');
document.head.appendChild(googleOptimize);
};
document.addEventListener('scroll', analyticsInit);
document.addEventListener('mousemove', analyticsInit);
document.addEventListener('touchstart', analyticsInit);
Happy Friday the 13th - SuperMemo
show top banner: 1
Main navigation
Friday the 13th doesn’t have to be an unlucky day! Especially if you have a 30% discount on all language courses!
Celebrate with us the 32nd anniversary of the creation of our first computer program: SuperMemo version 1.0 for DOS – and take advantage of the discount.
Visit the page for your chosen language course
Choose an Unlimited Access option
Provide your billing information and enter the discount code: LUCKY2019
Click the orange button with an arrow to get a special price
Complete your transaction and go to “My learning” to open the course!
The code is valid on 13.12.2019 only, on the SuperMemo.com website.
Related Posts
European Day of Languages
European Day of Languages is the best reason to start learning a new language. Its aim is to encourage language learning across Europe as proclaimed by...
© 2026 SuperMemo World sp. z o.o.
Icon chevron up
<!---->