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<!DOCTYPE html>
<html >
<head>
<meta charset="UTF-8">
<title>99乘法表</title>
<script>
document.write("<table align='center'>")
for (var i = 1; i <= 9; i++) {
document.write("<tr>")
for (var j = 1; j <= i; j++) {
document.write("<td style='border: 1px solid'>")
document.write(i +" * "+j +" = " +(i*j)+" ");
document.write("</td>")
}
document.write("</tr>")
}
document.write("</table>")
</script>
</head>
<body>
</body>
</html>?
