{"id":144964,"date":"2025-04-30T12:24:05","date_gmt":"2025-04-30T06:54:05","guid":{"rendered":"https:\/\/data-flair.training\/blogs\/?p=144964"},"modified":"2025-05-17T18:08:09","modified_gmt":"2025-05-17T12:38:09","slug":"currency-converter-in-javascript","status":"publish","type":"post","link":"https:\/\/data-flair.training\/blogs\/currency-converter-in-javascript\/","title":{"rendered":"JavaScript Project – Currency Converter"},"content":{"rendered":"

Program 1<\/h3>\n
<html>\r\n<head>\r\n    \r\n    <title>Currency Converter<\/title>\r\n    <link rel=\"stylesheet\" href=\"style.css\">\r\n<\/head>\r\n<body>\r\n    <div class=\"container\">\r\n        <font color=\"#501103\" size=\"6\">Currency Converter<\/font>\r\n        \r\n        <div class=\"form\">\r\n            <label for=\"amount\">Amount:<\/label>\r\n            <input type=\"number\" id=\"amount\" placeholder=\"Enter amount here \" \/>\r\n        <\/div>\r\n\r\n        <div class=\"form\">\r\n            <label for=\"fromCurrency\">From Currency:<\/label>\r\n            <select id=\"fromCurrency\"><\/select>\r\n        <\/div>\r\n\r\n        <div class=\"form\">\r\n            <label for=\"toCurrency\">To Currency:<\/label>\r\n            <select id=\"toCurrency\"><\/select>\r\n        <\/div>\r\n\r\n        <button id=\"convertBtn\">Convert<\/button>\r\n\r\n        <h2>Converted Amount: <span id=\"result\">0<\/span><\/h2>\r\n    <\/div>\r\n\r\n    <script src=\"app1.js\"><\/script>\r\n<\/body>\r\n<\/html><\/pre>\n
Program 2<\/h3>\n
<html>\r\n    <head><title>History Object<\/title>\r\n        <script type=\"text\/javascript\">\r\n        <\/script>\r\n    <\/head>\r\n    <body>\r\n        <center>\r\n        <form>\r\n           <select>\r\n            <option>USD<\/option>\r\n            <option>INR<\/option>\r\n            <option>EUR<\/option>\r\n            <option>THB<\/option>\r\n            <option>SRC<\/option>\r\n           <\/select>\r\n        <\/form> \r\n        <\/center>   \r\n    <\/body>\r\n<\/html><\/pre>\n
Program 3<\/h3>\n
\/\/ Fetch exchange rates and initialize the currency converter\r\nconst fromCurrency = document.getElementById(\"fromCurrency\");\r\nconst toCurrency = document.getElementById(\"toCurrency\");\r\nconst amountInput = document.getElementById(\"amount\");\r\nconst result = document.getElementById(\"result\");\r\nconst convertBtn = document.getElementById(\"convertBtn\");\r\n\r\n\/\/ Initialize exchange rates\r\nlet exchangeRates = {};  \/\/ blank collection\r\n\r\n\/\/ Fetch currency data\r\nasync function fetchCurrencyData() {\r\n    const response = await fetch('https:\/\/api.exchangerate-api.com\/v4\/latest\/USD');\r\n    const data = await response.json();\r\n    exchangeRates = data.rates;\r\n    populateCurrencies();\r\n}\r\n\r\n\/\/ Populate currency select dropdowns\r\nfunction populateCurrencies() {\r\n    const currencies = Object.keys(exchangeRates);\r\n    currencies.forEach(currency => {\r\n        const option1 = document.createElement(\"option\");\r\n        option1.value = currency;\r\n        option1.text = currency;\r\n        fromCurrency.appendChild(option1);\r\n        const option2 = document.createElement(\"option\");\r\n        option2.value = currency;\r\n        option2.text = currency;\r\n        toCurrency.appendChild(option2);\r\n    });\r\n\r\n    \/\/ Set default currencies\r\n    fromCurrency.value = \"INR\";\r\n    toCurrency.value = \"USD\";\r\n}\r\n\r\n\/\/ Perform currency conversion\r\nfunction convertCurrency() {\r\n    const amount = parseFloat(amountInput.value);\r\n    const from = fromCurrency.value;\r\n    const to = toCurrency.value;\r\n\r\n    if (isNaN(amount)) {\r\n        alert(\"Please enter a valid amount\");\r\n        return;\r\n    }\r\n\r\n    \/\/ Conversion logic\r\n    const convertedAmount = amount * exchangeRates[to] \/ exchangeRates[from];\r\n    result.textContent = convertedAmount.toFixed(2);\r\n}\r\n\r\n\/\/ Event listener for Convert button\r\nconvertBtn.addEventListener(\"click\", convertCurrency);\r\n\r\n\/\/ Initialize the app by fetching data\r\nfetchCurrencyData();<\/pre>\n
Program 4<\/h3>\n
* {\r\n    margin: 0;\r\n    padding: 0;\r\n    box-sizing: border-box;\r\n}\r\n\r\nbody {\r\n    font-family: 'Times New Roman', sans-serif;\r\n    display: flex;\r\n    justify-content: center;\r\n    align-items: center;\r\n    height: 100vh;\r\n    background-color: #f4f4f9;\r\n}\r\n\r\n.container {\r\n    text-align: center;\r\n    padding: 20px;\r\n    border-radius: 8px;\r\n    background-color: #fff;\r\n    box-shadow: 0px 4px 12px rgba(0, 0, 0, 0.1);\r\n    width: 300px;\r\n}\r\n\r\nh1 {\r\n    font-size: 2rem;\r\n    margin-bottom: 20px;\r\n}\r\n\r\n.form {\r\n    margin: 15px 0;\r\n}\r\n\r\ninput, select {\r\n    width: 100%;\r\n    padding: 10px;\r\n    margin-top: 5px;\r\n    border: 1px solid #ddd;\r\n    border-radius: 4px;\r\n}\r\n\r\nbutton {\r\n    width: 100%;\r\n    padding: 10px;\r\n    background-color: #4CAF50;\r\n    color: white;\r\n    border: none;\r\n    border-radius: 4px;\r\n    cursor: pointer;\r\n    font-size: 1rem;\r\n}\r\n\r\nbutton:hover {\r\n    background-color: #45a049;\r\n}\r\n\r\nh2 {\r\n    margin-top: 20px;\r\n    font-size: 1.5rem;\r\n}<\/pre>\n","protected":false},"excerpt":{"rendered":"
Program 1 <html> <head> <title>Currency Converter<\/title> <link rel=”stylesheet” href=”style.css”> <\/head> <body> <div class=”container”> <font color=”#501103″ size=”6″>Currency Converter<\/font> <div class=”form”> <label for=”amount”>Amount:<\/label> <input type=”number” id=”amount” placeholder=”Enter amount here ” \/> <\/div> <div class=”form”> <label for=”fromCurrency”>From...<\/p>\n","protected":false},"author":581,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18979],"tags":[24895,34118,34119,34121,7758,34117,34120,31621,31622,20845],"class_list":["post-144964","post","type-post","status-publish","format-standard","hentry","category-javascript","tag-currency-converter","tag-currency-converter-in-javascript","tag-currency-converter-using-javascript","tag-currency-converter-with-javascript","tag-javascript","tag-javascript-currency-converter","tag-javascript-currency-converter-project","tag-javascript-practical","tag-javascript-program","tag-javascript-project"],"yoast_head":"\nJavaScript Project - Currency Converter - DataFlair<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/data-flair.training\/blogs\/currency-converter-in-javascript\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"JavaScript Project - Currency Converter - DataFlair\" \/>\n<meta property=\"og:description\" content=\"Program 1 <html> <head> <title>Currency Converter<\/title> <link rel="stylesheet" href="style.css"> <\/head> <body> <div class="container"> <font color="#501103" size="6">Currency Converter<\/font> <div class="form"> <label for="amount">Amount:<\/label> <input type="number" id="amount" placeholder="Enter amount here " \/> <\/div> <div class="form"> <label for="fromCurrency">From...\" \/>\n<meta property=\"og:url\" content=\"https:\/\/data-flair.training\/blogs\/currency-converter-in-javascript\/\" \/>\n<meta property=\"og:site_name\" content=\"DataFlair\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/DataFlairWS\/\" \/>\n<meta property=\"article:published_time\" content=\"2025-04-30T06:54:05+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-05-17T12:38:09+00:00\" \/>\n<meta name=\"author\" content=\"DataFlair Team\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:site\" content=\"@DataFlairWS\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"DataFlair Team\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"JavaScript Project - 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