Vue

by joplomacedo

HTML

<div id="app">
<input v-model="a.x">
<input v-model="a.y">
</div>

CSS

body {
  background: #20262E;
  padding: 20px;
  font-family: Helvetica;
}

#app {
  background: #fff;
  border-radius: 4px;
  padding: 20px;
  transition: all 0.2s;
}

li {
  margin: 8px 0;
}

h2 {
  font-weight: bold;
  margin-bottom: 15px;
}

del {
  color: rgba(0, 0, 0, 0.3);
}

Vue

new Vue({
  el: "#app",
  data: {
		a: {
    	x: 5,
      y: 10
    }
  },
  watch: {
  	a: {
    	deep: true,
	    handler(val) {
				console.log(arguments);
      }
    }
  }
})