JSFiddle - React, Tailwind, and code Playground

HTML

<script src="https://cdnjs.cloudflare.com/ajax/libs/vue/2.2.4/vue.min.js"></script>
<div id="app">
  {{ amount | currency}}
</div>

JavaScript

new Vue({
	data:{
  amount: 10,
  exchangeRate:50
  },
  el:"#app",
  filters:{
  	currency: function(amount){
    	console.log(this);
      //return amount * this.exchangeRate;
      return amount *50;
    
    }
  }
})