<!--显示9*9乘法表-->
<html>
<head>
<title>9*9 multiplication table</title>
</head>
<body>
<script language="JavaScript">
var row = 9;
var colum = 9;
document.write("<table border=\"1\">");
for(i = 1; i <= row; i++){ //循环控制行
document.write("<tr>");
for (j = 1; j <= colum; j++){ //循环控制列
if (j <= i){
document.write("<td>"+ i + "*" + j + "=" + i*j + "</td>");
}else{
document.write("<td> </td>");
}
}
document.write("</tr>");
}
document.write("</table>");
</script>
</body>
</html>
结果如下表：
| 1*1=1 | ||||||||
| 2*1=2 | 2*2=4 | |||||||
| 3*1=3 | 3*2=6 | 3*3=9 | ||||||
| 4*1=4 | 4*2=8 | 4*3=12 | 4*4=16 | |||||
| 5*1=5 | 5*2=10 | 5*3=15 | 5*4=20 | 5*5=25 | ||||
| 6*1=6 | 6*2=12 | 6*3=18 | 6*4=24 | 6*5=30 | 6*6=36 | |||
| 7*1=7 | 7*2=14 | 7*3=21 | 7*4=28 | 7*5=35 | 7*6=42 | 7*7=49 | ||
| 8*1=8 | 8*2=16 | 8*3=24 | 8*4=32 | 8*5=40 | 8*6=48 | 8*7=56 | 8*8=64 | |
| 9*1=9 | 9*2=18 | 9*3=27 | 9*4=36 | 9*5=45 | 9*6=54 | 9*7=63 | 9*8=72 | 9*9=81 |