js10-hello-world.js

// Tutorials > 10 Days of Javascript > Day 0: Hello, World!
// Practice printing to stdout using JavaScript.
//
// https://www.hackerrank.com/challenges/js10-hello-world/problem
// challenge id: 20927
//

'use strict';

process.stdin.resume();
process.stdin.setEncoding('utf-8');

let inputString = '';
let currentLine = 0;

process.stdin.on('data', inputStdin => {
    inputString += inputStdin;
});

process.stdin.on('end', _ => {
    inputString = inputString.trim().split('\n').map(string => {
        return string.trim();
    });

    main();
});

function readLine() {
    return inputString[currentLine++];
}
// (skeliton_head) ----------------------------------------------------------------------

/**
*   A line of code that prints "Hello, World!" on a new line is provided in the editor.
*   Write a second line of code that prints the contents of 'parameterVariable' on a new line.
*
*	Parameter:
*   parameterVariable - A string of text.
**/
function greeting(parameterVariable) {
    // This line prints 'Hello, World!' to the console:
    console.log('Hello, World!');

    // Write a line of code that prints parameterVariable to stdout using console.log:
    console.log(parameterVariable);
}

// (skeliton_tail) ----------------------------------------------------------------------
function main() {
    const parameterVariable = readLine();

    greeting(parameterVariable);
}