Features

• All application code is self-contained in a single class (plus any additional JavaScript libraries)
• Calling PHP file / HTML page is very clean. All that is required is creating of the application class, then referencing the application JavaScript and attaching any required HTML elements to the application.
• Built in functionality for easily handling JavaScript events.
• Built in functionality for creating subrequests and handling them.
• Allows for custom configuration values, so certain elements can be set at run time.
• No messy JavaScript code clogging up the calling HTML code - all events are dynamically attached.
• Easy to integrate with templating engine due two above 2 reasons.
• Easy to hook in to existing PHP classes or MySQL database for returning data from subrequests.
• Extensible widget structure to be able to easily create further JavaScript objects (this needs a bit of work though).