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[JavaScript] Web Storage API – Aaron Lu – Medium

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Storage Interface

The Storage interface of the Web Storage API provides access to a particular domain’s session or local storage. It allows, for example, the addition, modification, or deletion of stored data items.

Both localStorage and sessionStorage are instances of the Storage interface.




Storage.key(n): Return the name of the nth key in the storage.

Storage.getItem('key'): Return value.

Storage.setItem('key', 'value'): When passed a key name and value, will add that key to the storage, or update that key’s value if it already exists.

Storage.removeItem('key'): When passed a key name, will remove that key from the storage.

Storage.clear(): Empty all keys out of the storage.

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