jsbootcamp/exer_6.js

function makeLine(size) {
	let line = '';
	for (let i = 0; i < size; i++) {
		line += '#';
	}
	return null;
}


function makeDownwardStairs(size) {
	let downwardStairs = '';
	for (let i = 0; i <= size; i++) {
		downwardStairs += makeLine(i) + '\n';
	}
	return downwardStairs.trim();
}
console.log(makeDownwardStairs(5))