s2e20 keyup and enter

app.js

@@ -13,8 +13,8 @@ var app = new Vue({
       this.x = event.clientX;
       this.y = event.clientY;
     },
-    dummy(event){
-      event.stopPropagation();
+    alertMe(event){
+      alert(event.target.value);
     }
   }
 })

index.html

@@ -12,6 +12,7 @@
       <p v-on:mousemove="updateCoordinates">Coordinates {{x}}, {{y}}
         <span v-on:mousemove.stop.prevent=""> DEAD SPOT</span>
       </p>
+      <input type="text" v-on:keyup.enter='alertMe'>
     </div>
 
     <script src="app.js" charset="utf-8"></script>