No crap ExtJS Getting Started tutorial 21 [Inheritance: Extend]

No crap ExtJS Getting Started tutorial 21 [Inheritance: Extend]extjs technology Exchange, welcome Dabigatran (201926085)

In development, when we use the view component, we often set the width, height, title and other properties. These properties can be defined by "inheritance" in the new component we define, thus achieving the purpose of reuse.

1. The code is as follows:

  1 <! DOCTYPE HTML PUBLIC "-//W3C//DTD XHTML 1.0 transitional//en" "Http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd "> 2 
2. The effect is as follows:
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No crap ExtJS Getting Started tutorial 21 [Inheritance: Extend]