백준알고리즘 2439번 별찍기 -2 node.js

https://www.acmicpc.net/problem/2439

2439번: 별 찍기 - 2

const inputNum = +(require('fs').readFileSync('/dev/stdin').toString().trim());

for(let i = 0; i < inputNum; i++){
    let star = '';
    for(let j = inputNum-1; j >= 0; j--){
        star += j <= i ?'*': ' ';
    }
    console.log(star);
}