在绑定Ext的默认样式和调试脚本后，配置onready块。

After hooking in the default styles and debug scripts for Ext, an onReady block is configured.

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如果正在调试脚本，则可能在程序中无线程时命中了某个断点。

If you are debugging script, you may have hit a breakpoint while there were no threads in your program.

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假定您熟悉 Greasemonkey，包括如何安装、修改和调试脚本。

Familiarity with Greasemonkey, including how to install, modify, and debug scripts, is assumed.

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