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The Storage Object


Storage Object

The Storage object of the Web Storage API provides access to the session storage or local storage for a particular domain. This allows you to for example add, modify or delete stored data items.


Storage Object Properties

Property Description
length Returns the number of data items stored in the Storage object

Storage Object Methods

Method Description
key(n) Returns the name of the nth key in the storage
getItem(keyname) Returns the value of the specified key name
setItem(keyname, value) Adds that key to the storage, or update that key's value if it already exists
removeItem(keyname) Removes that key from the storage
clear() Empty all key out of the storage

Related Pages for Web Storage API

Method Description
window.localStorage Allows to save key/value pairs in a web browser. Stores the data with no expiration date
window.sessionStorage Allows to save key/value pairs in a web browser. Stores the data for one session