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);
Take my word for it! - SuperMemo show top banner:1 Main navigation Learning vocabulary can be efficient and easy!
Are Extreme vocabulary courses a way to learn new words and phrases once and for all? Yes! Take my word for it. Or try it yourself! Now you can try an Extreme course for free for 10 days. No strings attached!
How to get your free access?
Click the link OR log in to your account, open the menu, choose the “Redeem your code” option and then use a special code: WORD20 Select one course from the list Accept your choice by clicking “Save” and go to “My learning” to start your adventure! © 2026 SuperMemo World sp. z o.o. Icon chevron up <!---->