<head>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<div id="app">
{{ message }}
<hr/>
{{ methodReverseMessage() }}<br>
{{ methodReverseMessage() }}
<hr/>
{{ computedReverseMessage }}<br>
{{ computedReverseMessage }}
</div>
<script>
new Vue({
el: '#app',
data: {
message: 'computed 는 데이터가 변경될때만 호출되고 기본적으로 한번만 호출'
},
methods: {
methodReverseMessage() {
console.log('call method');
return this.message.split('').reverse().join('')
}
},
computed: {
computedReverseMessage() {
console.log('call computed');
return this.message.split('').reverse().join('')
}
}
})
</script>