run javascript file from command line code example

Example 1: javascript run command

const { execSync } = require('child_process');

const output = execSync('ls', { encoding: 'utf-8' });

console.log('The output is:');
console.log(output);

Example 2: how to run javascript in terminal

// With node.js installed in windows commandline
C:\Users\Name> node
> console.log("Hello World");
Hello World
undefined
>

Example 3: cli run js

$ jjs hello.js
Hello Nashorn!
$