IndexedDB
Internet Explorer 10 and Windows apps using JavaScript introduce support for the Indexed Database API ("IndexedDB"). IndexedDB enables you to store structured data. Unlike cookies and DOM Storage, IndexedDB provides features that enable you to group, iterate, search, and filter JavaScript objects.
API Reference
Samples and tutorials
How to create a tag cloud using IndexedDB
Internet Explorer Test Drive demos
IEBlog posts
IndexedDB Updates for IE10 and Windows Store apps
Debugging IndexedDB Applications
Building Offline Experiences with HTML5 AppCache and IndexedDB
Specification
Related topics
HTML5 Threading with Web Workers and Data Storage with IndexedDB