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As per the definition mentioned on https://nodejs.org/
Node.js is a platform built on Chrome's JavaScript run-time for easily building fast, scalable network applications. Node.js uses an event-driven, non-blocking I/O model that makes it lightweight and efficient, perfect for data-intensive real-time applications that run across distributed devices.
Can any one please help me understand what the JavaScript run-time exactly means?
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A runtime environment is where your program will be executed. JavaScript code may be executed in one of two runtime environments: a browser's runtime environment. the Node runtime environment.
Runtime errors occur when the interpreter comes along some code that it cannot understand. Both loading and syntax errors are simple but can result in unexpected halting of script. Fix – Once these errors occur, debugger in the browser can be used to find out the error in code.
A JavaScript engine is a software component that executes JavaScript code. The first JavaScript engines were mere interpreters, but all relevant modern engines use just-in-time compilation for improved performance. JavaScript engines are typically developed by web browser vendors, and every major browser has one.
js is a lean, fast, cross-platform JavaScript runtime environment that is useful for both servers and desktop applications.
Maybe it's referring to Google's V8 engine.
For more information see: https://code.google.com/p/v8/
If you google for "chrome javascript runtime", you will get all these links to V8.
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