使用JS打九九乘法表

38 阅读1分钟
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Document</title>
</head>
<body>

</body>
<script>
 /*先打行*/
 for(var i=1; i<=9;i++){
   /*再打列*/
   for(var s=1;s<=i;s++){
   document.write(s+"x"+i+"="+s*i+" ");/*再输出行列拼接*/
   }
    document.write("<br/>");/*打九行换行*/
 }
    document.write("<br/>");
    for(var c=1;c<=9;c++){
    for(var d=1;d<=c;d++){
           document.write(c+"x"+d+"="+d*c+" ");
    }
     document.write("<br>");
    }
    document.write("<br/>");
    for(var n=1;n<=9;n++){
    for(var m=1;m<=n;m++){
           document.write(m);
    }
      document.write("<br>");
    }
</script>
</html>