HTML
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script src="./08.js"></script>
</body>
</html>
JS
for(var i=1 ;i<10;i++){
for(var a=0;a<=i;a++){
document.write("  ");
}
for(var j=1;j<10;j++){
num=i*j;
if(num/10<1){
num=" "+i*j;
}
if(j<=i){
document.write(j + "*" + i + "=" + num + " ");
}
}
document.write("<br>");
}