update coordiantes

app.js

@@ -1,11 +1,17 @@
 var app = new Vue({
   el: '#app',
   data: {
-    counter: 0
+    counter: 0,
+    x: 0,
+    y: 0,
   },
   methods:{
     click(){
       this.counter++;
+    },
+    updateCoordinates(event){
+      this.x = event.clientX;
+      this.y = event.clientY;
     }
   }
 })

index.html

@@ -9,6 +9,7 @@
     <div id='app'>
       <button @click="click">Click Me</button>
       <p>{{ counter }}</p>
+      <p v-on:mousemove="updateCoordinates">Coordinates {{x}} {{y}} </p>
     </div>
 
     <script src="app.js" charset="utf-8"></script>