Introduction One of the new JavaScript APIs that HTML5 has to offer is the IndexedDB API. In the past I wrote a post about the Web Storage API which is a simple key/value dictionary that is stored in the web browser and persists data. IndexedDB is a full blown index database which adds more offline capabilities to Web applications.
If you are using offline Application Cache W3C and Safari in the initial 4.0 release of WebKit/Safari you might run into a strange problem, let me explain. Initial Download When you first download the site into your application cache everything works fine.
The goal of this blog entry is to describe how you can create HTML5 Offline Web Applications when building ASP.NET web applications. I describe the method that I used to create an offline Web application when building the JavaScript Reference application. You can read about the HTML5 Offline Web Application standard by visiting the following links: Currently, the HTML5 Offline Web Applications feature works with all modern browsers with one important exception. You can use Offline Web Applications with Firefox, Chrome, and Safari (including iPhone Safari). Unfortunately, however, Internet Explorer does not support Offline Web Applications (not even IE 9).