SOURCE

console 命令行工具 X clear

                    
>
console
var app = new Vue({
    el: "#app",
    methods:{
        doIt:function(){
            alert("doIt");
        }
    }



})
<script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
<div id="app">
    <input type="button" value="事件绑定" v-on:click="doIt"></input>
</div>