#b5.1.2 鼠標移入事件

by BDeer

HTML

<div id="app">
 <button v-on="{mouseenter: onEnter}">移到我上面</button>
 <span>{{ message }}</span>
</div>

Vue

let vmOn = new Vue({
 el: '#app',
 data: {
  message: ''
 },
 methods: {
  onEnter() {
   console.log('mouse enter')
   this.message = '觸發 mouseenter: onEnter'
  }
 }
})