JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://unpkg.com/vue"></script>

<template id="child-template">
    <span @click="someMethod">Click me!</span>
</template>

<div id="app">
  <child></child>
</div>

JavaScript

Vue.component('child', {
  template: '#child-template',
  methods: {
  	someMethod(){
    	this.$parent.someMethod();
    }
	}
});

var app = new Vue({
	el: '#app',
  methods: {
  	someMethod(){
    	alert('parent');
    }
	}
});