Conversor_moneda/script.js

async function api(base){
	const res = await fetch(`https://v6.exchangerate-api.com/v6/aa74a76fa349403ebf36b1ff/latest/${base}`);
	const data = await res.json();
	return data.conversion_rates;
}

async function convert(){
	const base = document.getElementById('curr').value;
	const rates = await api(base);
	const cur = document.getElementById('curr2').value;
	var coef = rates[cur];
	if (base==cur){
		coef = 1;
	}
	var val = document.getElementById('val').value;
	document.getElementById('res').value = Number((val*coef).toFixed(2)).toLocaleString('en');
}

const from1 = document.getElementById('curr');
const to1 = document.getElementById('curr2');

function change(){
	tmp = from1.value;
	from1.value = to1.value;
	to1.value = tmp;
}