题解 | #直角三角形#
直角三角形
http://www.nowcoder.com/practice/7e8a7d83569d49aaa9bc4bb43a9d2d6e
var triangle = document.querySelector('.triangle');
let dom = '';
for(let i = 1; i <= 3; i++){
dom += `<p>${'*'.repeat(i)}</p></br>`
}
triangle.innerHTML = dom;