<header>
<h1>For Select Option</h1>
</header>
<body>
<script>
const currencies = ["USD", "EUR", "GBP", "UAH"];
let str = "<select>";
for (let currency of currencies) {
// YOUR MAGIC HERE
str += `<option>${currency}</option>`;
}
str += "</select>";
document.write(str);
</script>
</body>