Created
March 18, 2022 00:28
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Currency converter with HTML & JavaScript
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<!DOCTYPE html> | |
<html lang="en"> | |
<head> | |
<meta charset="UTF-8" /> | |
<meta name="viewport" content="width=device-width, initial-scale=1"> | |
<title>Currency converter with HTML & JavaScript</title> | |
<link rel="stylesheet" href="style.css" /> | |
</head> | |
<body> | |
<form> | |
<input id="amount" type="number" value="1" /> | |
<select id="primary" class="input"></select> | |
<select id="secondary" class="input"></select> | |
<input id="btn-convert" type="button" value="Convert" /> | |
</form> | |
<p id="result" style="display:none;"> | |
<span id="txt-primary"></span> | |
<span id="txt-secondary"></span> | |
</p> | |
<script> | |
const currencies = { | |
AUD: "Australian Dollar", | |
CAD: "Canadian Dollar", | |
EUR: "Euro", | |
GBP: "British Pound", | |
INR: "Indian Rupee", | |
JPN: "Japanese Yen", | |
USD: "United States Dollar", | |
ZAR: "South African Rand", | |
}; | |
const primaryCurrency = document.getElementById("primary"); | |
const secondaryCurrency = document.getElementById("secondary"); | |
primaryCurrency.innerHTML = getOptions(currencies); | |
secondaryCurrency.innerHTML = getOptions(currencies); | |
function getOptions(data) { | |
return Object.entries(data) | |
.map(([country, currency]) => `<option value="${country}">${country} | ${currency}</option>`) | |
.join(""); | |
} | |
document.getElementById("btn-convert").addEventListener("click", fetchCurrencies); | |
function fetchCurrencies() { | |
const primary = primaryCurrency.value; | |
const secondary = secondaryCurrency.value; | |
const amount = document.getElementById("amount").value; | |
fetch("https://v6.exchangerate-api.com/v6/d14eeee6a4f935aab34c335e/latest/" + primary) | |
.then((response) => { | |
if (response.ok) { | |
return response.json(); | |
} else { | |
throw new Error("NETWORK RESPONSE ERROR"); | |
} | |
}) | |
.then((data) => { | |
console.log(data); | |
displayCurrency(data, primary, secondary, amount); | |
}) | |
.catch((error) => console.error("FETCH ERROR:", error)); | |
} | |
function displayCurrency(data, primary, secondary, amount) { | |
const calculated = amount * data.conversion_rates[secondary]; | |
document.getElementById("result").setAttribute("style", "display:block"); | |
document.getElementById("txt-primary").innerText = amount + " " + primary + " = "; | |
document.getElementById("txt-secondary").innerText = calculated + " " + secondary; | |
} | |
</script> | |
</body> | |
</html> |
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Source => https://w3collective.com/currency-converter-html-javascript/