九九乘法表
<!DOCTYPE html>
<head>
<meta charset="utf-8">
<language='En'>
</head>
<body>
</body>
<script type="text/javascript">
function cf(n) {
for (i = 1; i <= n; i++) {
document.write('<h3>');
for (j = 1; j <= i; j++) {
document.write('<span>' + i + 'X' + j + '=' + (i * j) + '</span> ');
}
document.write('</h3>');
}
document.write('<hr>');
}
cf(2)
cf(9)
</script>
</html>