__062__step.js

const character = "#";
const count = 8;
const rows = [];

function padRow(rowNumber, rowCount) {
  return ' '.repeat(rowCount - rowNumber)
         + character.repeat(rowNumber) + 
	 ' '.repeat(rowCount - rowNumber);
}

for (let i = 0; i < count; i = i + 1) {
  rows.push(padRow(i + 1, count));
}

let result = '';

for (const row of rows) {
  result = result + "\n" + row;
};

console.log(result);