Challenge 1 -> Create a Local Storage with expiry such that it takes a Key, a value and Time such that the key will be available in local Storage till that specified time and after that it would be deleted.
Example:
Setting key and value with time 1000 seconds window.localStorageWithExpiery.setItem("key1", "value", 1000);
Query within 1000 seconds window.localStorageWithExpiery.getItem("key1"); Answer -> "value"
Query after 1000 seconds window.localStorageWithExpiery.getItem("key1"); Answer -> "undefined"