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Ext JS in Action, Pap/Psc Edition by Jesus Garcia

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Chapter 3. Events, Components, and Containers

This chapter covers

  • Learning about software-driven events with Observable
  • Getting to know the Component model and lifecycle
  • Exploring the Ext JS Container model
  • Managing parent-child relationship of widgets
  • Implementing the Container model utility methods

I recall my early days with the Ext framework, when I started learning by toying with the examples and reading the API documentation. I spent many hours on some of the most important core UI concepts, such as adding user interaction, the reusability of widgets, and how one widget can contain or control another. For instance, how would I make the click of an anchor tag display an Ext Window? Sure, there’s a generic JavaScript way of attaching ...

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