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This is The Small Project For Your Site And You Can Use It Freely In Your's As Well , As It Is Copyright Free You Can...
In This Project Technologies Are Used Is As Follows :-)
- HTML
- CSS
- JAVASCRIPT
HTML
<!DOCTYPE html>
<!-- Coding By CodingNepal - youtube.com/codingnepal -->
<html lang="en" dir="ltr">
<head>
<meta charset="utf-8">
<title>CodeAtNow | Currency Converter App in JavaScript</title>
<link rel="stylesheet" href="style.css">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<!-- FontAweome CDN Link for Icons -->
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/5.15.3/css/all.min.css"/>
</head>
<body>
<div class="wrapper">
<header>Currency Converter</header>
<form action="#">
<div class="amount">
<p>Enter Amount</p>
<input type="text" value="1">
</div>
<div class="drop-list">
<div class="from">
<p>From</p>
<div class="select-box">
<img src="https://flagcdn.com/48x36/us.png" alt="flag">
<select> <!-- Options tag are inserted from JavaScript --> </select>
</div>
</div>
<div class="icon"><i class="fas fa-exchange-alt"></i></div>
<div class="to">
<p>To</p>
<div class="select-box">
<img src="https://flagcdn.com/48x36/np.png" alt="flag">
<select> <!-- Options tag are inserted from JavaScript --> </select>
</div>
</div>
</div>
<div class="exchange-rate">Getting exchange rate...</div>
<button>Get Exchange Rate</button>
</form>
</div>
<script src="js/country-list.js"></script>
<script src="js/script.js"></script>
</body>
</html>
CSS
/* Import Google Font - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@400;500;600;700&display=swap');
*{
margin: 0;
padding: 0;
box-sizing: border-box;
font-family: 'Poppins', sans-serif;
}
body{
display: flex;
align-items: center;
justify-content: center;
min-height: 100vh;
padding: 0 10px;
background: #675AFE;
}
::selection{
color: #fff;
background: #675AFE;
}
.wrapper{
width: 370px;
padding: 30px;
border-radius: 7px;
background: #fff;
box-shadow: 7px 7px 20px rgba(0, 0, 0, 0.05);
}
.wrapper header{
font-size: 28px;
font-weight: 500;
text-align: center;
}
.wrapper form{
margin: 40px 0 20px 0;
}
form :where(input, select, button){
width: 100%;
outline: none;
border-radius: 5px;
border: none;
}
form p{
font-size: 18px;
margin-bottom: 5px;
}
form input{
height: 50px;
font-size: 17px;
padding: 0 15px;
border: 1px solid #999;
}
form input:focus{
padding: 0 14px;
border: 2px solid #675AFE;
}
form .drop-list{
display: flex;
margin-top: 20px;
align-items: center;
justify-content: space-between;
}
.drop-list .select-box{
display: flex;
width: 115px;
height: 45px;
align-items: center;
border-radius: 5px;
justify-content: center;
border: 1px solid #999;
}
.select-box img{
max-width: 21px;
}
.select-box select{
width: auto;
font-size: 16px;
background: none;
margin: 0 -5px 0 5px;
}
.select-box select::-webkit-scrollbar{
width: 8px;
}
.select-box select::-webkit-scrollbar-track{
background: #fff;
}
.select-box select::-webkit-scrollbar-thumb{
background: #888;
border-radius: 8px;
border-right: 2px solid #ffffff;
}
.drop-list .icon{
cursor: pointer;
margin-top: 30px;
font-size: 22px;
}
form .exchange-rate{
font-size: 17px;
margin: 20px 0 30px;
}
form button{
height: 52px;
color: #fff;
font-size: 17px;
cursor: pointer;
background: #675AFE;
transition: 0.3s ease;
}
form button:hover{
background: #4534fe;
}
JS
const dropList = document.querySelectorAll("form select"),
fromCurrency = document.querySelector(".from select"),
toCurrency = document.querySelector(".to select"),
getButton = document.querySelector("form button");
for (let i = 0; i < dropList.length; i++) {
for(let currency_code in country_list){
// selecting USD by default as FROM currency and NPR as TO currency
let selected = i == 0 ? currency_code == "USD" ? "selected" : "" : currency_code == "NPR" ? "selected" : "";
// creating option tag with passing currency code as a text and value
let optionTag = `<option value="${currency_code}" ${selected}>${currency_code}</option>`;
// inserting options tag inside select tag
dropList[i].insertAdjacentHTML("beforeend", optionTag);
}
dropList[i].addEventListener("change", e =>{
loadFlag(e.target); // calling loadFlag with passing target element as an argument
});
}
function loadFlag(element){
for(let code in country_list){
if(code == element.value){ // if currency code of country list is equal to option value
let imgTag = element.parentElement.querySelector("img"); // selecting img tag of particular drop list
// passing country code of a selected currency code in a img url
imgTag.src = `https://flagcdn.com/48x36/${country_list[code].toLowerCase()}.png`;
}
}
}
window.addEventListener("load", ()=>{
getExchangeRate();
});
getButton.addEventListener("click", e =>{
e.preventDefault(); //preventing form from submitting
getExchangeRate();
});
const exchangeIcon = document.querySelector("form .icon");
exchangeIcon.addEventListener("click", ()=>{
let tempCode = fromCurrency.value; // temporary currency code of FROM drop list
fromCurrency.value = toCurrency.value; // passing TO currency code to FROM currency code
toCurrency.value = tempCode; // passing temporary currency code to TO currency code
loadFlag(fromCurrency); // calling loadFlag with passing select element (fromCurrency) of FROM
loadFlag(toCurrency); // calling loadFlag with passing select element (toCurrency) of TO
getExchangeRate(); // calling getExchangeRate
})
function getExchangeRate(){
const amount = document.querySelector("form input");
const exchangeRateTxt = document.querySelector("form .exchange-rate");
let amountVal = amount.value;
// if user don't enter any value or enter 0 then we'll put 1 value by default in the input field
if(amountVal == "" || amountVal == "0"){
amount.value = "1";
amountVal = 1;
}
exchangeRateTxt.innerText = "Getting exchange rate...";
let url = `https://v6.exchangerate-api.com/v6/054551cb2155e3a8f0810e23/latest/${fromCurrency.value}`;
// fetching api response and returning it with parsing into js obj and in another then method receiving that obj
fetch(url).then(response => response.json()).then(result =>{
let exchangeRate = result.conversion_rates[toCurrency.value]; // getting user selected TO currency rate
let totalExRate = (amountVal * exchangeRate).toFixed(2); // multiplying user entered value with selected TO currency rate
exchangeRateTxt.innerText = `${amountVal} ${fromCurrency.value} = ${totalExRate} ${toCurrency.value}`;
}).catch(() =>{ // if user is offline or any other error occured while fetching data then catch function will run
exchangeRateTxt.innerText = "Something went wrong";
});
}
