Self vue.js (D1)
Binding of array syntax style
04 Computed Property
01 using basic (P20) of calculating an attribute
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
</head>
<body>
<div id="app">
<h2>{{message}}</h2>
<!--最原始方法-->
<h2>{{firstName}} {{lastName}}</h2>
<!--通过方法-->
<h2>{{getFullName()}}</h2>
<!--计算属性,不需要加小括号-->
<h2>{{fullName}}</h2>
</div>
<script src="../js/vue.js"></script>
<script>
const app = new Vue({
el: '#app',
data: {
message:'你好啊',
firstName: 'Lebron',
lastName: 'James'
},
methods: {
getFullName(){
return this.firstName + ' ' + this.lastName
}
},
computed: {
fullName: function(){
return this.firstName + ' ' + this.lastName
}
}
})
</script>
</body>
</html>
