event.html

<!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> event modifier </title>
    <script src="../../lib/vue.js"></script>
    <style>
        .divDefault{
            background-color: aquamarine;
            width: 200px;
            height: 100px;
        }
    </style>
</head>

<body>
    <div id="app">
        <!-- <div id="div1" class="divDefault" @click="divHandlerClick">
             <input type="button" value="点击" @click="btnHandlerClick" /> -->
            <!-- 1、阻止事件冒泡 -->
            <!-- <input type="button" value="点击" @click.stop="btnHandlerClick" />
        </div> -->

        <!-- <a href="http://www.baidu.com" @click="aHandlerClick">链接跳转</a> -->

        <!-- 2、阻止默认事件 -->
        <!-- <a href="http://www.baidu.com" @click.prevent="aHandlerClick">链接跳转</a> -->

        <!-- 3、使用事件捕获机制 -->
        <!-- <div id="div1" class="divDefault" @click.capture="divHandlerClick">
            <input type="button" value="点击" @click="btnHandlerClick" />
        </div> -->

        <!-- 4、只有在 event.target 是当前元素自身时触发处理函数 -->
        <!-- <div id="div1" class="divDefault" @click.self="divHandlerClick">
            <input type="button" value="点击" @click="btnHandlerClick" />
        </div> -->

        <!-- 5、事件只执行一次 -->
        <input type="button" value="点击" @click.once="btnHandlerClick" />
    </div>

    <script>
        var vm = new Vue({
            el: '#app',
            data: {},
            methods: {
                divHandlerClick() {
                    alert('我是div的点击事件！')
                },
                btnHandlerClick() {
                    alert('我是button的点击事件')
                },
                aHandlerClick() {
                    alert('我是a标签的点击事件')
                }
            }
        });
    </script>
</body>

</html>