<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>vue.js Hello World!</title>
<script type="text/javascript" src="https://cdn.bootcss.com/vue/2.2.2/vue.min.js"></script>
</head>
<body>
<div id="example-4">
<input type="radio" id="one" value="One" v-model="picked">
<label for="one">One</label>
<br>
<input type="radio" id="two" value="Two" v-model="picked">
<label for="two">Two</label>
<br>
<span>Picked: {{ picked }}</span>
</div>
<script type="text/javascript">
new Vue({
el: '#example-4',
data: {
picked: ''
}
})
</script>
</body>
</html>