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What Is Repl In Context Of Node?

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REPL stands for Read Eval Print Loop and it represents a computer environment like a window console or unix/linux shell where a command is entered and system responds with an output. Node.js or Node comes bundled with a REPL environment. It performs the following desired tasks.

  1. Read – Reads user’s input, parse the input into JavaScript data-structure and stores in memory.
  2. Eval – Takes and evaluates the data structure
  3. Print – Prints the result
  4. Loop – Loops the above command until user press ctrl-c twice.

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