Jva

<!DOCTYPE html>
<html lang="ja">
<head>
<meta charset="UTF-8">
<title>繰り返し処理</title>
<style>



</style>
</head>
<body>
<h3>九九表</h3>
<table width="500" border="1">
       ↓を入れることで横認識
<tr>
<th>&nbsp;</th><th>1</th><th>2</th><th>3</th><th>4</th><th>5</th><th>6</th><th>7</th><th>8</th><th>9</th>
</tr>
<script>
for(i=1 ; i<=9 ; i++){
	document.write('<tr><th>'+i+'</th>');
	for(j=1 ; j<=9; j++){
	}
}
</script>
</table>
</body>
</html>