<!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>
<div id="app">
<p>{{ num }}</p>
<p>{{ doubleNum }}</p>
</div>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
<script>
new Vue({
el: '#app',
data : {
num : 10,
str : 'hi'
},
computed : {
/** data์ num์ ๊ฐ์ง๊ณ ๋์
num์ด ๋ฐ๋์์๋, ๊ฐ์ด ๋ณ๊ฒฝ๋์ด ๋์ํ ํ์๊ฐ ์์๋์ ์ ์ฉํจ */
doubleNum : function() {
return this.num * 2;
}
}
});
</script>
</body>
</html>