vue的事件监听

  　　　　　　<div id="app">
            <button type="button" @click="btnClick(a,$event)">maomaobutton>
            
            <a v-on:click.stop="doThis">阻止单击事件继续传播a>
            
            
            <form v-on:submit.prevent="onSubmit">提交事件不再重载页面form>
            
            
            <a v-on:click.stop.prevent="doThat">修饰符可以串联a>
            
            
            <form v-on:submit.prevent>只有修饰符form>
            
            
            
            <div v-on:click.capture="doThis">...div>
            
            
            
            <div v-on:click.self="doThat">...div>
            
            
            <a v-on:click.once="doThis">点击事件将只会触发一次a>
            
            
            
            
            <div v-on:scroll.passive="onScroll">...div>

        div>