<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<script type="text/javascript" src="Vue-v2.5.22.js"></script>
<title>Title</title>
</head>
<body>
<div id="app">
<input type="text" v-model="price">
<p>{{date|dynamic(price)}}</p>
</div>
<script type="text/javascript">
Vue.filter('dynamic',
function (date, price) {
return date.toLocaleDateString() + " : " + price;
});
var vm = new Vue({
el: '#app',
data: {
date: new Date(),
price: 150
}
})
</script>
</body>
</html>