Ext.util.History manages the history. When a page changes, the application catches this change and then the
Ext.util.History fires an event. Using this feature, we can control actions in our application.. For example, by using
Ext.util.History, every time the application is accessed the dashboard URL is displayed.
Sometimes, when the user inputs an incorrect hash in the URL, the application will have trouble finding the page. However, with
Ext.util.History, it goes to screens specified by the developer. For example, when we implement
Ext.util.History, the user can access the quotation page directly without abnormal screen behavior. With
Ext.util.History, it also allows us to attach the URL ...