HTML5 is a very popular markup language used to describe hypertext documents that are commonly used to define the structure and content of web pages on the Internet. More broadly speaking, HTML5 can also been seen to cover a larger set of technologies and languages that are used to provide not just the structure, but also the functionality, look and feel, and other features and aspects of web applications.

In this tutorial we will get to learn how to create a simple note taking app for the web environment that saves and retrieves text notes using HTML5 technologies.

Using HTML5 local storage, a web developer can save application data and store it as part of the data files of the web browser utilized by the end user. The web developer does not need to use cookies or save the data on the server.