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>
// 字符串，用于构建三角形
var triangle = document.querySelector('.triangle')
// 补全代码
for (var i = 0; i < 3; i++) {
for (var j = 0; j < i + 1; j++) {
triangle.innerHTML += '*'
}
triangle.innerHTML += '<br>'
}
</script>
</body>
</html>
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