<!DOCTYPE html>
<html lang="en" xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta charset="utf-8" />
<title></title>
</head>
<body>
<script>
var array1 = [123, \'abc\'];
alert(array1[0]);
var array2 = {
Name: "zhangsan",
Age:15
}
alert(array2["Name"]);//通过键访问，认为是集合
alert(array2.Name);//通过属性访问，认为是对象Json
</script>
</body>
</html>