Chained Stores, introduced in ExtJS 5, allow to use one store in multiple views with independent filtering and sorting. This article discusses what they really are, what are drawbacks and it also provides a playground application that.
Although xtype has been around since Ext 2.0, there is still a lot of confusion on what it is, how can it be used and what it is good for. The clarification in this article gives you all information you need to use xtype (and other [a-z]types) effectively.
Why should we even seek an answer to this question? Everybody knows. We use them every day, they’re all around us and we cannot even imagine life without them. Well, you wouldn’t believe how many people cannot give you a definition, even if they use computers all day long.