AbstractAbstractclearThe clear() method of the Storage interface clears all keys stored in a given Storage object.
AbstractgetThe getItem() method of the Storage interface, when passed a key name, will return that key's value, or null if the key does not exist, in the given Storage object.
AbstractkeyThe key() method of the Storage interface, when passed a number n, returns the name of the nth key in a given Storage object. The order of keys is user-agent defined, so you should not rely on it.
AbstractremoveThe removeItem() method of the Storage interface, when passed a key name, will remove that key from the given Storage object if it exists. The Storage interface of the Web Storage API provides access to a particular domain's session or local storage.
AbstractsetThe setItem() method of the Storage interface, when passed a key name and value, will add that key to the given Storage object, or update that key's value if it already exists.
The
lengthread-only property of the Storage interface returns the number of data items stored in a given Storage object.MDN Reference