node. JS REPL (Interactive interpreter)

Node comes with an interactive interpreter that can perform the following tasks:

• Read -read user input, parse input JavaScript data structure and store in memory.

• execution -execution of input data structures

• Print -Output results

• Loop -loop operation the above steps until the user two times press the ctrl-c button to exit.

Node's interactive interpreter can debug Javascript code very well.

REPL command

• Ctrl + C -exits the current terminal.

• Ctrl + C Press two times -Exit Node REPL.

• Ctrl + D -exits Node REPL.

• up/down arrow -View input history commands

• tab -Lists the current command

• . Help-List use commands

• . Break-Exit multi-line expression

• . Clear -Exit multi-line expression

• . Save filename -Saves the current Node REPL session to the specified file

• . Load filename -Loads the contents of the file in the current Node REPL session.

Stop REPL

We have already mentioned that pressing two times CTRL + C key will exit REPL:

node. JS REPL (Interactive interpreter)