源码附上：
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>乘法表</title>
</head>
<body>
<script type="text/javascript">
for(var i=1;i<10;i++){
for(var j=1;j<i;j++){
document.write(j+"*"+i+"="+i*j+"\t");
}
document.write("<br/>");
}
</script>
</body>
</html>