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>
        // 控制行
        for(var i=1;i<=6;i++){
            // 控制列
            for(var j=1;j<=i;j++){
                document.write(j);
                document.write("&nbsp;");
            }
            document.write("<br>");
        }
    </script>
</body>
</html>