){        //alert(x);        console.log(`x: ${x}, y: ${y}, selected: ${selected}`);      }    }  }); <script src="https://cdnjs.cloudflare.com/ajax/libs/vue/0.0.0/vue.min.js"></script>  <div id="app">  <lista-servizi-gialla v-on:centramappa="mappaCenter(