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为何java、haskell、python、erlang win下的安装包很大，少则几十，多则上百兆， 而node.js很小，只有几兆？
为何java、haskell、python、erlang win下的安装包很大，少则几十，多则上百兆， 而node.js很小，只有几兆？
回复内容：
你用Node.js，要是不用npm拉几十上百兆东西下来，能用？ python安装包貌似也才十几m的样子吧 刚好昨天才开始用node，安装的时候，只有5m大小，觉得好轻量级的。然后开始写代码的时候，你难道没有一直npm去download各种package？
一个项目，少说npm下来的包也有十多M了，不是node小，而是他有需求的时候，才会去download你所需要的库，也许这就是这么多人喜欢他的原因把。
$ ls -lh java -rwxr-xr-x 1 root wheel 53K Dec 16 2013 java $ ls -lh python2.7 -rwxr-xr-x 1 xxx staff 8.6K Jul 3 06:37 python2.7 $ du -shc node_modules/ 30M node_modules/ 30M total
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