Vue

by mike1981

HTML

<div id="app">
	<input type="radio" id="one" value="Один" v-model="picked">
	<label for="one">Один</label>
	<br>
	<input type="radio" id="two" value="Два" v-model="picked">
	<label for="two">Два</label>
	<br>
	<span>Выбрано: {{ picked }}</span><br>
</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: {
    picked : ''
  },
	computed: {
		overpicked(){
			return '[' + this.picked + ']';
		}
	},
  watch:{
    overpicked: function(val){alert(val);}
  }
})