💱 Currency Converter App 🌍

A simple, interactive, and real-time currency converter built using HTML, CSS, and JavaScript. Convert between multiple world currencies instantly with up-to-date exchange rates! 💸

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🚀 Live Demo 🎯

Check it out here: BharathPadavu/currency-converter-app 🌐

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🛠 Features ✨

• 🌎 Convert currencies between any two countries
• 💹 Fetches real-time conversion rates using an API
• 🏳️ Displays the country flag next to the selected currency
• 🔢 Automatic handling of invalid or empty input values
• ⚡ Fast and lightweight – no frameworks required

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💻 Technical Details 🧩

DOM Manipulation:

• 🖱️ Dynamically generates currency dropdown options from codes.js (countryList)
• 🏴 Updates the flag images when the currency selection changes
• 📊 Displays the converted amount in a styled message box (.msg)
• 🎯 Handles default values: USD → "From", INR → "To"
• ✅ Validates input amount, defaulting to 1 if empty or invalid

API 🌐:

• Fetches real-time conversion rates using a public endpoint
• Example endpoint: https://api.budjet.org/fiat/USD/INR
• Extracts conversion_rate from the JSON response to calculate the converted amount 💰

Event Handling ⚡:

• 🔄 Listens for change events on dropdowns → update country flag
• 🖱️ Listens for click on Get Exchange Rate button to:
• ⛔ Prevent default form submission
• 📝 Validate input amount
• 🌐 Fetch conversion rates from API
• 📈 Display converted amount dynamically

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⚠️ Limitations ❗

• 🕒 Conversion rates may update once per day, depending on the API
• ❌ Requires internet connection to fetch conversion rates
• 🔒 Free API may have rate limits for frequent requests

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🔧 Usage 🖱️

• 💵 Default "From" currency: USD
• 💴 Default "To" currency: INR
• 🏳️ Flags update automatically when you change the selection
• 🔢 Defaults to 1 if the input is empty

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📌 Author 👨‍💻

Bharath Padavu

• GitHub: @BharathPadavu
• Project: currency-converter-app

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