Vue

by jury1

HTML

<div id="app">
  <template v-if="rates">
    <div id="USD">Доллар США $ — {{getDollar}} руб.</div>
    <div id="EUR">Евро € — {{getEuro}} руб.</div>
  </template>
</div>

<script>
var app = new Vue({
  el: "#app",
  data: {
    rates: null
  },
  mounted() {
    var rq = new XMLHttpRequest();

    rq.onreadystatechange = (vm) => {
      if (rq.readyState === XMLHttpRequest.DONE) {
        if (rq.status === 200) {
          this.rates = JSON.parse(rq.responseText);
        }
      }
    }
    rq.open("GET", 'https://www.cbr-xml-daily.ru/daily_json.js');
    rq.send();
  },
  computed: {
    getDollar() {
       return this.rates.Valute.USD.Value;
    },
    getEuro() {
      return this.rates.Valute.EUR.Value;
    }
  }
});

</script>

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);
}