vue實現移入移出事件

Html

<i class="icon" @mouseenter="enter(index)" @mouseleave="leave()"></i>

JS

methods:{
      enter(index){
        this.seen = true;
        this.current = index;
      },
      leave(){
        this.seen = false;
        this.current = null;
      }
    }

 

原文：vue實現鼠標移入移出事件