Task 1: Store a name, userId in sessionStorage

  let firstName='Sachin'; //string
  sessionStorage.setItem("name",firstName);
  let userId = 101; //number
  sessionStorage.setItem("id",userId);

Note: In sessionStorage, all the data will be stored as string.

Task 2: Retrieve the data from sessionStorage

  let fName = sessionStorage.getItem("name");// It returns "Sachin" as string
  console.log(fName);
  let uId = sessionStorage.getItem("id"); //It returns "101" as string( Not a number)
  console.log(uId);

Note: When retrieving data from sessionStorage, it returns all data as string.

Task 3: Convert userId string to number

  let userIdStr = sessionStorage.getItem("id");
  let userIdNumber = parseInt(userIdStr); // we need to convert string to number 

Task 4: Short Syntax to get data from sessionStorage

console.log(sessionStorage.getItem("name"));
console.log(sessionStorage.name);

Task 5: Remove an item from sessionStorage

  sessionStorage.removeItem("name");

Task 6: Remove all items from sessionStorage

  sessionStorage.clear();