1. working with data

index.html

<!doctype html>
<html lang="ko">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, user-scalable=no, initial-scale=1.0, maximum-scale=1.0, minimum-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Vue</title>
</head>
<body>
{{ firstName }} <!-- 왼쪽 문자 그대로 화면에 출력됨 -->
<div id="app">
    {{ firstName }}
    {{ lastName }}
</div>

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/3.4.6/vue.global.prod.min.js"></script>
<script src="app.js"></script>
</body>
</html>

app.js

// const lastName = 'Doe'; // [Vue warn]: Property 'lastName' was accessed during render but is not defined on instance.

Vue.createApp({
    data() {
        return {
            firstName: 'John',
            lastName: 'Doe',
        }
    }
}).mount('#app'); // id=app 요소에 mount

main.css

# 1. working with data

1. working with data