Made of Bugs » Why node.js is cool (it’s not about performance): "Enter node.js
node.js solves this problem, somewhat paradoxically by reducing the number of options available to developers. By having a built-in event loop, and by making that event loop the default way to accomplish virtually anything at all (e.g. all of the builtin IO functions work asynchronously on the same event loop), node.js provides a very strong pressure to write networked code in a certain way. The upshot of this pressure is that, since essentially every node.js library works this way, you can pick and choose arbitrary node.js libraries and combine them in the same program, without even having to think about the fact that you’re doing so."
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