console 命令行工具 X clear

console

<html>
    <head>
        <meta  charset="UTF-8">
        <title>111</title>
    </head>

    <body>
        <div id="app">
            <button @click="changeArr">更改</button>
            <ul>
                <li v-for="a in arr">{{a}}</li>
            </ul>
        </div>
    </body>

    <script>
        let vm = new Vue({
            el: '#app',
            data: {
                arr: [1,2,3]
            },
            methods: {
                changeArr() {
                    this.arr = [3,2,1];
                }
            }
        })
    </script>

</html>

本项目引用的自定义外部资源

vue.js