<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<script>
let num =100;
const user = {
name : 'canyi', //프로퍼티 property
age: '90',
bark:function(bark){
return `개가 ${bark} 짖는다.`;
}
}
// user.name = "david";
// alert(user.name);
// console.log(user.name);
// console.log(user.age);
//console.log(user.bark("멍멍"));
//대괄호 표기법
user[name] = '맹구';
console.log(user[name]); //String
user['age'] = 90;
console.log(user['age']); //int
//객체 리터럴
let Obj1 = {}; //빈 객체
//{key:value}
//let obj1 = new Object; //빈 객체
//let dic = new Object();
let dic = {
boy : "남자",
girl: "여자",
friend: "친구"
};
//console.log(dic.boy);
dic.boy = "남자";
dic.girl = "여자";
dic.friend = "친구";
// console.log(dic);
//delete dic.boy;
//console.log(dic.boy);
</script>
</body>
</html>
