Web storage in Opera can be configured using preferences in the "Web Storage" section located in
Opera supports the following web storage tools.
Support has been added for the
window.opera.scriptStorage property for user scripts alone. This property returns a
Storage object as specified in the W3C Web Storage API Section 4.1: The Storage interface, and is unique per script.
scriptStorageobject has limited quota, defined in opera:config.
Opera does not currently support:
Opera's support for the W3C Web Storage API is defined in the following data tables.
||This interface provides access to a list of key/value pairs, which are sometimes called items.||Yes|
||This interface event is fired when a storage area changes.||Yes|
||This attribute represents the set of storage areas specific to the current top-level browsing context.||Yes|
||This attribute provides a Storage object for an origin. User agents must have a set of local storage areas, one for each origin.||Yes|
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