<template>
<div>
  <h4 style="color:oranged;">this is home vue component!!!</h4>
  <button @click="add_number">add number</button>
<!--  <h4>{{number}}</h4>-->
</div>
</template>
<script type="module">
export default {
  emits:["op"],
  methods:{
    add_number(){
      this.$emit("op");
    }
  },
  setup(){
    console.log("home vue component setup");
  },
  mounted(el){
    console.log("home vue under mounted ---");
  }
}
</script>



