<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>无标题文档</title>
</head>
<body>
<script type="text/javascript">
var i=0;
var j=0;
var str="";
for(i=1;i<=9;i++){
for(j=1;j<=i;j++){
str+=j+'×'+i+'='+j*i+' ';
}
str+='\n';
}
alert(str);
</script>
</body>
</html>