题解 | #直角三角形#
直角三角形
https://www.nowcoder.com/practice/7e8a7d83569d49aaa9bc4bb43a9d2d6e
双层for循环即可
var triangle = document.querySelector(".triangle"); // 补全代码 for (let i = 1; i <= 3; i++) { for (let j = 0; j < i; j++) { triangle.innerHTML += "*"; } triangle.innerHTML += "<br>"; }