<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Document</title>
<script src="./vue.js"></script>
</head>
<body>
<div id="app">
{{fullName}}
</div>
<script>
var vm=new Vue({
el:'#app',
data:{
firstName:"Dell",
lastName:"Lee"
},
computed:{
fullName:{
get:function(){
return this.firstName+" "+this.lastName
},
set:function(value){
var arr=value.split(" ");
this.firstName=arr[0];
this.lastName=arr[1];
}
}
}
})
</script>
</html>
