最后，作者将通过一个小小的例子说明如何通过重写绕过特殊的元素，而且还将为进一步扩展提供一些建议。
Finally, I offer a small sample override for those who want to bypass specific elements, and suggest items to use for more extensive overrides.
这是Ext JS扩展的一个最基础的示例，但是它很容易进一步扩展来包括一些更多的特性。
This is a very basic example of an ext JS extension, but it could easily be extended further to include some more features.
首先掌握一些操作符，随着经验逐渐丰富，您可以进一步扩展词汇表。
Begin with a handful of operators and expand your vocabulary as your experience grows.
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