题解 | 直角三角形
直角三角形
https://www.nowcoder.com/practice/7e8a7d83569d49aaa9bc4bb43a9d2d6e
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
</head>
<body>
<div class='triangle'></div>
<script>
var triangle = document.querySelector('.triangle');
// 补全代码
const temp = '*<br/>**<br/>***<br/>'
triangle.innerHTML = temp;
</script>
</body>
</html>