Add complete project

js/currency.js

@@ -0,0 +1,11 @@
+const currency = new URLSearchParams(window.location.search).get("currency");
+const countryList = document.getElementById("country-list");
+fetch("https://countries.trevorblades.com/", { "method": "POST", "body": JSON.stringify({ query: "query countriesPayingIn($currency: [String!]!) {countries(filter: {currency: {in:$currency}}) { name code }}", "operationName": "countriesPayingIn", "variables": { "currency": currency } }), headers: { "Content-Type": "application/json" } }).then(response => response.json()).then(({ data }) => {
+    document.getElementById("currency").innerText = currency;
+    const countries = data.countries;
+    for (const country of countries) {
+        const newListItem = document.createElement("li");
+        newListItem.innerHTML = `<a href="/country.html?code=${country.code}"> ${country.name} </a>`;
+        countryList.append(newListItem);
+    }
+});