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Introduction to Node: The Fundamentals

Introduction to Node: The Fundamentals


    Use the Node.js REPL shell

    Will ButtonWill Button

    In this lesson, you will learn how to use the interactive Node.js REPL (Read - Evaluate - Print - Loop) shell. The REPL shell allows you to enter javascript directly into a shell prompt and have the results evaluated by the node.js engine immediately. This is extremely useful for testing, debugging, or experimenting with new features to understand how they work. Topics covered include creating variables, functions, the reserved underscore ( _ ) character, REPL commands as well as saving and loading your session to prevent losing work.

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