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?

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Release: 2016-06-06 16:23:02
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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。
<code class="language-text">$ 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
</code>
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