Update script.js

script.js

@@ -1,74 +1,86 @@
+// Ambil elemen
 const amountInput = document.getElementById('amount');
 const fromCurrency = document.getElementById('fromCurrency');
 const toCurrency = document.getElementById('toCurrency');
-const swapButton = document.getElementById('swapButton');
-const convertButton = document.getElementById('convertButton');
 const resultDiv = document.getElementById('result');
+const convertButton = document.createElement('button');
+convertButton.textContent = 'Convert';
+convertButton.type = 'button';
+convertButton.id = 'convertButton';
+document.getElementById('currencyForm').appendChild(convertButton);
 
-// Status konversi otomatis
-let autoConvert = false;
+// Tombol tampil secara default
+let isInitialConversion = true;
 
-// Tombol convert pertama kali
-convertButton.addEventListener('click', () => {
-  autoConvert = true; // Aktifkan konversi otomatis
-  convertCurrency();
-  convertButton.style.display = 'none'; // Sembunyikan tombol
-});
-
-// Swap mata uang
-swapButton.addEventListener('click', () => {
-  const temp = fromCurrency.value;
-  fromCurrency.value = toCurrency.value;
-  toCurrency.value = temp;
-
-  // Reset tombol dan hasil
-  autoConvert = false;
-  convertButton.style.display = 'block';
-  resultDiv.innerHTML = '';
-});
-
-// Input perubahan
-[amountInput, fromCurrency, toCurrency].forEach(element => {
-  element.addEventListener('input', () => {
-    if (autoConvert) {
-      convertCurrency(); // Konversi otomatis
-    }
-  });
-
-  element.addEventListener('change', () => {
-    // Tampilkan tombol jika mata uang diubah
-    autoConvert = false;
-    convertButton.style.display = 'block';
-    resultDiv.innerHTML = '';
-  });
-});
-
-// Fungsi konversi
 async function convertCurrency() {
   const amount = amountInput.value;
-  const from = fromCurrency.value;
-  const to = toCurrency.value;
 
+  // Validasi input jumlah
   if (!amount || amount <= 0) {
-    resultDiv.innerHTML = 'Please enter a valid amount.';
+    resultDiv.innerHTML = "Please enter a valid amount!";
     return;
   }
 
   try {
-    const apiKey = '3ebe2ccf9eeea2aaef280201';
-    const url = `https://v6.exchangerate-api.com/v6/${apiKey}/latest/${from}`;
+    const apiKey = '3ebe2ccf9eeea2aaef280201'; // API Key
+    const url = `https://v6.exchangerate-api.com/v6/${apiKey}/latest/${fromCurrency.value}`;
+
+    // Ambil data dari API
     const response = await fetch(url);
     const data = await response.json();
 
-    if (data.result === 'success') {
-      const rate = data.conversion_rates[to];
-      const convertedAmount = (amount * rate).toFixed(2);
-      resultDiv.innerHTML = `${amount} ${from} = ${convertedAmount} ${to}`;
-    } else {
+    // Tangani error API
+    if (data.result === 'error') {
       resultDiv.innerHTML = `Error: ${data['error-type']}`;
+    } else {
+      const rate = data.conversion_rates[toCurrency.value];
+      const convertedAmount = (amount * rate).toFixed(2);
+      resultDiv.innerHTML = `${amount} ${fromCurrency.value} = ${convertedAmount} ${toCurrency.value}`;
+
+      // Sembunyikan tombol setelah konversi pertama
+      if (isInitialConversion) {
+        convertButton.style.display = 'none';
+        isInitialConversion = false;
+      }
     }
   } catch (error) {
-    resultDiv.innerHTML = 'Error fetching conversion rate.';
-    console.error(error);
+    resultDiv.innerHTML = "Error fetching conversion rate.";
+    console.error("Error:", error);
   }
 }
+
+// Fungsi Swap
+document.getElementById('swapButton').addEventListener('click', function () {
+  const tempCurrency = fromCurrency.value;
+  fromCurrency.value = toCurrency.value;
+  toCurrency.value = tempCurrency;
+
+  if (amountInput.value && amountInput.value > 0) {
+    convertCurrency(); // Konversi ulang setelah swap
+  }
+});
+
+// Event untuk tombol Convert (klik tombol manual)
+convertButton.addEventListener('click', function () {
+  convertCurrency();
+});
+
+// Event otomatis konversi setelah jumlah diisi
+amountInput.addEventListener('input', function () {
+  if (!isInitialConversion) {
+    convertCurrency(); // Konversi otomatis
+  }
+});
+
+// Event tampilkan tombol jika mata uang diubah
+fromCurrency.addEventListener('change', function () {
+  convertButton.style.display = 'block'; // Tampilkan tombol
+  isInitialConversion = true; // Reset status awal
+  resultDiv.innerHTML = ""; // Reset hasil
+});
+
+toCurrency.addEventListener('change', function () {
+  convertButton.style.display = 'block'; // Tampilkan tombol
+  isInitialConversion = true; // Reset status awal
+  resultDiv.innerHTML = ""; // Reset hasil
+});