πŸ“• Language/Vue

[Age of Vue] Vue.js μ‹œμž‘ν•˜κΈ° - 23. computed 속성

a n u e 2022. 5. 7. 22:25 
<!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 : {
                    /** data의 num을 가지고 λ™μž‘
                    num이 λ°”λ€Œμ—ˆμ„λ•Œ, 같이 λ³€κ²½λ˜μ–΄ λ™μž‘ν•  ν•„μš”κ°€ μžˆμ„λ•Œμ— μœ μš©ν•¨ */
                    doubleNum : function() {
                        return this.num * 2;
                    }
                }
            });
    </script>
</body>
</html>