摘要：<!DOCTYPE html><html><head> <meta charset="utf-8"> <title>变量</title> <link rel="stylesheet" type="text/css" href=""> &
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>变量</title>
<link rel="stylesheet" type="text/css" href="">
<link rel="shortcut icon" type="image/x-icon" href="">
<style type="text/css">
</style>
<body>
<script type="text/javascript">
var a= 2,b='6',c=true,d=null,e,f=new Object();
document.write("var a= 2,b='6';"+'<br/>');
document.write("a类型"+typeof a +'<br/>' );
document.write("b类型"+typeof b +'<br/>');
document.write("c类型"+typeof c +'<br/>');
document.write("d类型"+typeof d +'<br/>');
document.write("e类型"+typeof e +'<br/>');
document.write("f类型"+typeof f +'<br/>');
</script>
</body>
</html>
批改老师：韦小宝批改时间：2018-12-28 17:00:32
老师总结：写的很不错哦，课后还是得要记得多多练习才可以啊
