Preface
In recent years, two big shifts have happened in the practice of writing softwareâand Node.js has been at the forefront of both.
First, software is becoming increasingly asynchronous. Whether youâre waiting on a Big Data job, interacting with end users, steering a quadcopter, or simply responding to an API call, chances are youâll need asynchronous programming techniques.
Second, JavaScript has quietly become the worldâs standard code-execution environment. Itâs everywhere: in web browsers, modern NoSQL databases, DIY robots, and now on the server as well.
Node.js is an integral part of these trends, and it has taken off in a big way.
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