Offline, Database

This is an online tutorial for learning the Html5 and CSS3 the most advance scripting and stylesheet. An individual can download any of the script for completely free.

HTML5 introduces DOM Storage, a new way of storing data on the client side that overcomes the disk space limitations of JavaScript cookies. This tutorial looks at how to take advantage of DOM Storage in browsers today.

There are currently 3 separate areas of the HTML5 specification that will help you build an offline web application; web storage, offline caching and web database.

The goal of this tutorial is to write a browser based "to-do list" application that works on the iPhone, Android and Palm Pre in six steps. The application should even work when the device has no network connection.

The gist of Offline Web Applications is to provide a manifest file that states which files should be downloaded for offline usage, which fallback certain files should have and other options. It is currently supported by Firefox 3.5+, Google Chrome and Safari.

HTML 5 provides a new caching feature to support offline web applications. Basically, you can specify in a specific file called the “cache manifest” the caching policy to apply to a particular web page. To activate the HTML 5 caching feature for a specific document, you only need to specify the URI of the cache manifest file in the manifest attribute of the element.

I’ll show you how to create an offline HTML5 iPhone application. More specifically, I’ll walk you through the process of building a Tetris game.

HTML 5 is introducing several new features to the web such as multi-threaded JavaScript, cross document messaging and local storage. In case you are looking for an overview of what HTML 5 promises, visit HTML 5. Today, we will look more closely at the offline application caching feature of HTML 5.