lovecoding
/
Web1020


			
				
					
						
						
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							<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>

        function foo(row) {
            for (var i = 0; i < row; i++) {
                // 输出每一行的空格
                for (var k = row - i; k > 0; k--) {
                    document.write("&nbsp");
                }
                // 输出每一行“*”
                for (var j = 0; j <= i; j++) {
                    document.write("*");
                    document.write("&nbsp");
                }
                // 换行
                document.write("<br>");
            }
        }
        foo(18);
    </script>
</body>

</html>