计算属性基本用法

<body>
<div id="app">
<div>{{msg}}</div>
<div>{{reverseString}}</div>
</div>
<script type="text/javascript" src="js/vue.js"></script>
<script type="text/javascript">
/*
计算属性
*/
var vm = new Vue({
el: '#app',
data: {
msg: 'Nihao'
},
computed: {
reverseString: function(){
return this.msg.split('').reverse().join('');
}
}
});
</script>
</body>