xml
复制代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Vue computed Option 计算选项</title>
<script type="text/javascript" src="../assets/js/vue.js"></script>
</head>
<body>
<h1>Vue computed Option 计算选项</h1>
<hr>
<div id="app">
<p>{{newPrc}}</p>
<ul>
<li v-for="item in reverNews">{{item.title}}--{{item.date}}</li>
</ul>
</div>
</body>
</html>
<script>
//不污染原始数据的前台下 展示到页面上
var newsList=[
{title:'中国人',date:'2018-7-15'},
{title:'美国人',date:'2018-7-16'},
{title:'非洲人',date:'2018-7-17'},
{title:'俄罗斯人',date:'2018-7-18'}
];
var app = new Vue({
el:'#app',
data:{
prc:100,
newsList:newsList
},
computed:{
newPrc:function(){
return this.prc='￥'+this.prc+'元';
},
reverNews:function () {
//reverse 倒序
return this.newsList.reverse()
}
}
})
</script>