压缩工具之Uglifyjs

Uglifyjs 

 

         其实是为node.js准备的,需要在node.js环境才能使用,当然也有一些在线版本的服务。

 

 

    如何安装:

 

npm install uglify-js -g

 

   

   注释 :  @note by yaochun 11-27

 

   目前已经有UglifyJS2了,但是直接用新的去压缩以前的代码会有很多差别,如果还是想装1的:

 

npm install uglify-js@1

 

   NOTE: The NPM package has been upgraded to UglifyJS2. If you need to install version 1.x you need to add `@1` to the command, as I did above. I strongly suggest you to try to upgrade, though this might not be simple (v2 has a completely different AST structure and API).

 

  

 

 

 

uglifyjs test.js -o test.min.js

 

 

扩展阅读

 

1、https://github.com/mishoo/UglifyJS

 

2、在线服务:

 

     http://marijnhaverbeke.nl/uglifyjs

 

     http://app.baidu.com.cn/app/enter?appid=152856

 

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