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Node.js — How much JavaScript do you need to know to use Node.js?
Node.js® is a free, open-source, cross-platform JavaScript runtime environment that lets developers create servers, web apps, command line tools and scripts.
Skip to contentHow much JavaScript do you need to know to use Node.js? As a beginner, it's hard to get to a point where you are confident enough in your programming abilities. While learning to code, you might also be confused at where does JavaScript end, and where Node.js begins, and vice versa. What is recommended to learn before diving deep with Node.js? Lexical Structure Expressions Data Types Classes Variables Functions this operator Arrow Functions Loops Scopes Arrays Template Literals Strict Mode ECMAScript 2015 (ES6) and beyond Asynchronous JavaScript With those concepts in mind, you are well on your road to become a proficient JavaScript developer, in both the browser and in Node.js. Asynchronous Programming The following concepts are also key to understand asynchronous programming, which is one of the fundamental parts of Node.js: Asynchronous programming and callbacks Timers Promises Async and Await Closures The Event Loop PreviousIntroduction to Node.jsNextDifferences between Node.js and the Browser