<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>计算属性</title>
<script src="https://cdn.jsdelivr.net/npm/vue/dist/vue.js"></script>
</head>
<body>
<div id="app">
{{ fullName }}
<br>
//使用方法时加（）调用
{{ fName() }}
</div>
<script>
let vm = new Vue({
el:'#app',
data:{
firstName:'Quincy',
lastName:'Cui',
},
methods:{
fName:function () {
return this.firstName +' '+this.lastName
}
},
computed:{
fullName:function () {
return this.firstName +' '+this.lastName
}
}
})
</script>
</body>
</html>
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