<!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">
        <!--  <button @click="btnClick()">按钮1</button>
        <button @click="btnClick">按钮2</button>
        <button @click="btn2Click">按钮3</button>
        <button @click="btn3Click(123,$event)">按钮4</button> -->
        <div @click="divClick">
            <button @click.stop="btnClick">按钮1</button>
        </div>
    </div>
    <script src="./js/vue.js"></script>
    <script>
        const app = new Vue({
            el: '#app',
            data: {
                counter: 0,
                event: '123'
            },
            methods: {
                divClick() {
                    console.log('divClick')
                },
                btnClick() {
                    console.log('btnClick')
                },
            }
        })
    </script>
</body>

</html>

运行结果