abstract：<!DOCTYPE html><html lang="en"><head><meta charset="UTF-8"><meta name="viewport" content="width=device-width, initial-scale=1.0">&
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Document</title>
</head>
<body>
</body>
<script>
// 声明变量a并赋值
var a = 10;
var b = a * 10;
console.log(typeof b);
</script>
</html>
Correcting teacher：查无此人Correction time：2019-03-15 09:18:17
Teacher's summary：完成的不错。下次把代码缩进，看着整洁。继续加油