async function fetchBTC() {
try {
const res = await fetch("https://api.coingecko.com/api/v3/simple/price?ids=bitcoin&vs_currencies=usd");
const data = await res.json();
const price = data.bitcoin.usd;
document.getElementById("btc-widget").innerHTML =
"₿ Bitcoin: $" + price.toLocaleString();
} catch (err) {
document.getElementById("btc-widget").innerHTML =
"Error loading price";
}
}
fetchBTC();
setInterval(fetchBTC, 30000);
fetch btc price no api