In AJAX applications, for most of the actions, the URL does not change in the browser. Because of this, the browser back button might not work as it works in traditional web applications. qooxdoo provides a way to work with the browser back button.
If there is a requirement, we may need to make the browser back button functional. A good example is the API viewer component in the qooxdoo framework. The qooxdoo framework provides an API to manage the history and navigate through the various states through the browser's "forward" and "back" buttons.
Each point that we want to navigate through the browser's "back" button has to be identified as a state with the respective title. state and title strings. The state string must be an encoded string that will be set as the fragment identifier of the URL after the # character. When we click on the browser's "back" and "forward" buttons, this state is fetched by the qooxdoo history manager to act accordingly...