node

Run JavaScript file

TLDR

Run JavaScript file

$ node [script.js]

Start REPL

$ node

Evaluate expression

$ node -e "[console.log('hello')]"

Run with arguments

$ node [script.js] [arg1] [arg2]

Inspect for debugging

$ node --inspect [script.js]

Check syntax only

$ node --check [script.js]

Print version

$ node --version

Run TypeScript with loader

$ node --loader ts-node/esm [script.ts]

SYNOPSIS

node [options] [script] [arguments]

DESCRIPTION

node is the Node.js JavaScript runtime. It executes JavaScript outside browsers.
The tool provides V8 engine access. Supports npm ecosystem and async I/O.
node runs JavaScript server-side.

PARAMETERS

SCRIPT

JavaScript file to execute.

ARGUMENTS

Arguments passed to script.

-e CODE

Evaluate code string.

--inspect

Enable debugger.

--check

Syntax check only.

--version

Show version.

--help

Display help information.

CAVEATS

V8 engine based. Single-threaded event loop. Requires node installation.

HISTORY

Node.js was created by Ryan Dahl in 2009 to bring JavaScript to server-side development.