Take some time to explore the demos above and look at the extension source code to get an appreciation for how complex an ext JS extension or plug-in can be.

花一点时间来研究以上演示、看看扩展源代码，获取对扩展和插件的复杂程度的一个正确了解。

youdao

At yahoo! We often make this step part of the build process: a version number is embedded in the component's filename, for example, yahoo_2.0.6.js.

在经常作出的生成过程的这一步一部分：，例如yahoo_2 . 0.6 . js的组件的文件名中嵌入一个版本号。

youdao

Take a look at the Resources section for a link to the Ext JS site, which provides information on rates for commercial licenses.

参考资料中提供了Ext JS站点的链接，这个站点提供关于商用许可证的详细信息。

youdao

Ryan Dahl, creator of Node.js, works at cloud software company Joyent.

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At least three of the Js will compete in a regatta June 15-19 in Newport, R.

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Most of the yachts at the Classic have racing pedigrees as illustrious as the two Js'.

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