【JS】循环嵌套
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<title>d24c04429 欧永鸿</title>
</head>
<body>
<script>
var starx = prompt('请输入列数');
var stary = prompt('请输入行数');
var star = '';
for (var i = 0; i < stary; i++) {
for (var j = 0; j < starx; j++) {
star += '☆';
}
star += '\n';
}
console.log(star);
</script>
</body>
</html>
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