代码
提交代码
<!DOCTYPE html> <html lang="en"> <head> <meta charset="UTF-8"> <meta name="viewport" content="width=device-width, initial-scale=1.0"> <meta http-equiv="X-UA-Compatible" content="ie=edge"> <title>Document</title> </head> <body> <div id="app"> <my-component></my-component> <my-component></my-component> <my-component></my-component> </div> </body> <script src="https://unpkg.com/vue/dist/vue.js"></script> <script type="text/javascript"> Vue.component('myComponent', { template: '<div><div>{{ count }}</div><button @click="add">添加次数</button></div>', data() { return{ count: 10 } }, methods: { add() { this.count = this.count + 1; } }, }) var vm = new Vue({ el: '#app', data() { return {} } }) </script> </html>
运行结果