SOURCE

new Vue({
  el: '#app',
  data: {
    counter: 0,
    x: 0,
    y: 0
  },
  methods: {
      increase: function(step, event) {
          this.counter += step;
      },
      updateCoordinates: function(event) {
          this.x = event.clientX;
          this.y = event.clientY;
      },
      dummy: function(event) {
          event.stopPropagation();
      },
      alertMe: function() {
          alert('alert');
      }
  }
});

<script src="https://unpkg.com/vue/dist/vue.js"></script>
<div id='app'>
    <button v-on:click="increase(2, $event)">Click me</button>
	<p>{{ counter }}</p>
    <p v-on:mousemove="updateCoordinates">
        Coordinates: {{ x }} / {{ y }}
        - <span v-on:mousemove="dummy">DEAD SPOT</span>
        - <span v-on:mousemove.stop="">DEAD SPOT2</span>
    </p>
    <input type=:"text" v-on:keyup.enter.space="alertMe"></input>
</div>