九九乘法表

document.write("九九乘法表:");
    document.write("<br>");
    
    for(i = 1; i<10;i++){
        for(j = 1; j<=i;j++){
         var result = i*j;
        
         document.write( j + "*" + i + "=" + result +" " );
    
        }
            document.write("<br>");
    }