console 命令行工具 X clear
console
<!DOCTYPE html>
<html lang="en">

<head>
    <title>computed option</title>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <script type="text/javascript" src="../assets/js/vue.js"></script>
</head>

<body>
    <h1>computed option</h1>
    <hr>
    <div id="app">
        <p>{{newPrice}}</p>
        <ol>
            <li v-for="item in reverseNews">{{item.title}}-{{item.date}}</li>
        </ol>
    </div>

    <script type="text/javascript">
        var newsList = [{
                title: '香港或就“装甲车被扣”事件追责 起诉涉事运输公司',
                date: '2017/3/10'
            },
            {
                title: '日本第二大准航母服役 外媒：针对中国潜艇',
                date: '2017/3/12'
            },
            {
                title: '中国北方将有明显雨雪降温天气 南方阴雨持续',
                date: '2017/3/13'
            },
            {
                title: '起底“最短命副市长”：不到40天落马，全家被查',
                date: '2017/3/23'
            },
        ];

        var app = new Vue({
            el: '#app',
            data: {
                price: 100,
                newsList: newsList
            },
            computed: {
                newPrice: function () {
                    return "￥" + this.price + "元";
                },
                reverseNews: function () {
                    return this.newsList.reverse();
                }
            },
        })
    </script>
</body>

</html>
本项目引用的自定义外部资源

vue.js