html代码

<div id="App">
     <div class="aa" ref="menuItem" @click="aa($event)">aa</div>
     <div @click="bb">bb</div>
</div>```

js代码
     new Vue({
          el: '#App',
          methods: {
               bb: function() {
                    var getMenuText = this.$refs.menuItem.style.color='blue';
                    console.log(getMenuText);//aa
               },
               aa: function(e) {
                    var el = e.target;
                    console.log(el);//<div class="aa">aa</div>
               }
          }
     })