javascript - Permanent storage for Chrome Extension -

i'm looking best client side storage chrome extension. local storage isn't suitable can erased user deleting cookies (which common occurrence).

what storage can use permanent storage in chrome extension (excluding websql - deprecated)?

try chrome storage api.

this api has been optimized meet specific storage needs of extensions. provides same storage capabilities localstorage api following key differences:

• user data can automatically synced chrome sync (using storage.sync).
• your extension's content scripts can directly access user data without need background page.
• a user's extension settings can persisted when using split incognito behavior.
• it's asynchronous bulk read , write operations, , therefore faster blocking , serial localstorage api.
• user data can stored objects (the localstorage api stores data in strings).
• enterprise policies configured administrator extension can read (using storage.managed schema).