<meta charset="utf-8">
<script type="text/javascript">
function getUSD(utl) {
// код, который возвращает курса доллара, например 76,564
return USD_rate
}
var USD = getUSD('https: //www.cbr-xml-daily.ru/daily_json.js')
alert(USD)
</script><meta charset="utf-8">
<script type="text/javascript">
async function getJSON(resource) {
const response = await fetch(resource)
const dataJSON = await response.json()
//console.log(dataJSON)
return dataJSON
}
var USD = getJSON('https://www.cbr-xml-daily.ru/daily_json.js').then(dataJSON => dataJSON.Valute.USD.Value)
console.log(USD)
</script><meta charset="utf-8">
<script type="text/javascript">
var EUR
var USD = fetch('https://www.cbr-xml-daily.ru/daily_json.js').then(response => response.json()).then(data => data.Valute.USD.Value);
console.log(USD)
</script>