<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<script type="text/javascript">
//for循环的嵌套
for(var i=1;i<=3;i++){
document.write('外层循环循环第'+i+'次的结果<br/>');
for(var j=1;j<=2;j++){
document.write('内层循环循环第'+j+'次的结果<br/>');
}
document.write('<hr/>');
}
</script>
<table border='1' cellpadding="0" cellpadding="0" bgcolor="aqua" width='80%'>
<script type="text/javascript">
for(var i=1;i<=3;i++){
document.write('<tr>');
for(var j=1;j<=30;j++){
document.write('<td>x</td>');
}
document.write('</tr>');
}
</script>
</table>
<script type="text/javascript">
document.write('<hr color="red"/>');
document.write('<table border="1" cellpadding="0" cellspacing="0" bgcolor="#ABCDEF" width="80%">');
for(var i=1;i<=9;++i){
document.write('<tr>');
for(var j=1;j<=i;j++){
document.write('<td>'+i+'x'+j+'='+(i*j)+'</td>');
}
document.write('</tr>');
}
document.write('</table>');
//打印倒得99乘法表
//通过for循环实现百钱买百得题
//公鸡5元每只,母鸡3元每只,小鸡3只1元,100元可以买多少只鸡
</script>
</body>
</html>