求大佬看看我这个JS代码该如何更改。。。。。。。。。

Question

document.write("

");

for (var x = 1; x <= 9; x++)

{

document.write("

");

for (var y = 9; x<=y; y--)

{
document.write("");

}  
document.write("</tr>"); 

}

document.write("

"+x+"*"+y+"="+x*y+"

");

我目前得到的效果是

我想要得到的效果是

Answer 1

for (var x = 1; x <= 9; x++){

        document.write("");

        for (var y = x; y<=9; y++){
              document.write(" ");
                          document.write(""+x+"*"+y+"="+x*y+"");  
        }  
        document.write("</br>"); 
    }