HTML5 Web Storage

This section contains the API for persistent data storage of key-value pair data as defined by the HTML5 Web Storage specification.

In this section

Topic	Description
HTMLStorage	Represents the list of key/value pairs that have been assigned to a single storage area.
clear	Removes all key/value pairs from the Web Storage area.
getItem	Retrieves the current value associated with the Web Storage key.
initStorageEvent	Initializes a new Document Object Model (DOM) storage event that the createEvent method created.
key	Retrieves the key at the specified index in the collection.
removeItem	Deletes a key/value pair from the Web Storage collection.
setItem	Sets a key/value pair.
key	Gets the key that is updated.
length	Retrieves the length of the key/value list.
localStorage	Retrieves the Web Storage area specific to the current document.
newValue	Gets the new value of the key.
oldValue	Gets the previous value of the key.
remainingSpace	Retrieves the remaining number of UTF-16 characters allowed for the storage object.
sessionStorage	Retrieves the Web Storage area for the session.
storageArea	Gets the Storage object of the affected document.
url	Gets the address of the document that the update affects.