1-4 物件

var obj = {
  name: "kuo",
  age: 25,
  sex: "boy"
};

var arr = ["kuo", 25, "boy"];

console.log(obj);
console.log(arr);
//取得姓名
console.log(obj.name);
console.log(obj["name"]);
//工廠模式
var x = "name";
console.log(obj[x]);