37. What are the methods available on session storage?

Session Storage in JavaScript provides the following methods for storing and managing data:

1. setItem(key, value) – Stores a key-value pair in session storage.

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   sessionStorage.setItem('name', 'John');
   

2. getItem(key) – Retrieves the value associated with the specified key.

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   let name = sessionStorage.getItem('name'); // "John"
   

3. removeItem(key) – Removes the specified key and its value from session storage.

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   sessionStorage.removeItem('name');
   

4. clear() – Clears all key-value pairs from session storage.

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   sessionStorage.clear();
   

5. key(index) – Returns the key at the specified index in session storage.

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   let key = sessionStorage.key(0);
   

6. length – Returns the number of key-value pairs in session storage.

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   let size = sessionStorage.length;