Eine alternative zu Cookie könnte das hier sein
<html> <body> <h2>Store and retrieve data from local storage.</h2> <p id="demo"></p> <script> var myObj, myJSON, text, obj; // Storing data: myObj = { name: "John", age: 31, city: "New York" }; myJSON = JSON.stringify(myObj); localStorage.setItem("testJSON", myJSON); // Retrieving data: text = localStorage.getItem("testJSON"); obj = JSON.parse(text); document.getElementById("demo").innerHTML = obj.age; </script> </body> </html>