File size: 2,396 Bytes
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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');
// Status konversi otomatis
let autoConvert = false;
// Tombol convert pertama kali
convertButton.addEventListener('click', () => {
autoConvert = true; // Aktifkan konversi otomatis
convertCurrency(); // Lakukan konversi pertama kali
convertButton.style.display = 'none'; // Sembunyikan tombol
});
// Swap mata uang
swapButton.addEventListener('click', async () => {
const temp = fromCurrency.value;
fromCurrency.value = toCurrency.value;
toCurrency.value = temp;
// Lakukan konversi langsung jika autoConvert aktif
if (autoConvert) {
convertCurrency();
} else {
// Jika belum autoConvert, kosongkan hasil
resultDiv.innerHTML = '';
}
});
// Pantau perubahan input atau dropdown
[amountInput, fromCurrency, toCurrency].forEach((element) => {
element.addEventListener('input', () => {
if (autoConvert) {
convertCurrency(); // Konversi otomatis saat autoConvert aktif
}
});
element.addEventListener('change', () => {
// Tampilkan tombol Convert jika ada perubahan manual
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
if (!amount || amount <= 0) {
resultDiv.innerHTML = 'Please enter a valid amount.';
return;
}
try {
const apiKey = '3ebe2ccf9eeea2aaef280201';
const url = `https://v6.exchangerate-api.com/v6/${apiKey}/latest/${from}`;
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 {
resultDiv.innerHTML = `Error: ${data['error-type']}`;
}
} catch (error) {
resultDiv.innerHTML = 'Error fetching conversion rate.';
console.error(error);
}
}
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