|
| 1 | +<!DOCTYPE html> |
| 2 | +<html lang="en"> |
| 3 | +<head> |
| 4 | + <meta charset="UTF-8"> |
| 5 | + <title>Temperature Converter</title> |
| 6 | + <style> |
| 7 | + body { |
| 8 | + font-family: Arial, sans-serif; |
| 9 | + max-width: 500px; |
| 10 | + margin: 0 auto; |
| 11 | + padding: 20px; |
| 12 | + text-align: center; |
| 13 | + background-color: #f4f4f4; |
| 14 | + } |
| 15 | + .container { |
| 16 | + background-color: white; |
| 17 | + border-radius: 10px; |
| 18 | + box-shadow: 0 4px 6px rgba(0,0,0,0.1); |
| 19 | + padding: 30px; |
| 20 | + } |
| 21 | + input, select, button { |
| 22 | + margin: 10px 0; |
| 23 | + padding: 10px; |
| 24 | + width: 100%; |
| 25 | + box-sizing: border-box; |
| 26 | + } |
| 27 | + #result { |
| 28 | + margin-top: 20px; |
| 29 | + font-weight: bold; |
| 30 | + color: #333; |
| 31 | + } |
| 32 | + button { |
| 33 | + background-color: #007bff; |
| 34 | + color: white; |
| 35 | + border: none; |
| 36 | + border-radius: 5px; |
| 37 | + cursor: pointer; |
| 38 | + transition: background-color 0.3s ease; |
| 39 | + } |
| 40 | + button:hover { |
| 41 | + background-color: #0056b3; |
| 42 | + } |
| 43 | + </style> |
| 44 | +</head> |
| 45 | +<body> |
| 46 | + <div class="container"> |
| 47 | + <h1>Temperature Converter</h1> |
| 48 | + <input |
| 49 | + type="number" |
| 50 | + id="temperatureInput" |
| 51 | + placeholder="Enter temperature" |
| 52 | + > |
| 53 | + <select id="fromUnit"> |
| 54 | + <option value="C">Celsius (°C)</option> |
| 55 | + <option value="F">Fahrenheit (°F)</option> |
| 56 | + </select> |
| 57 | + <select id="toUnit"> |
| 58 | + <option value="F">Fahrenheit (°F)</option> |
| 59 | + <option value="C">Celsius (°C)</option> |
| 60 | + </select> |
| 61 | + <button onclick="convertTemperature()">Convert</button> |
| 62 | + <div id="result"></div> |
| 63 | + </div> |
| 64 | + |
| 65 | + <script> |
| 66 | + // Temperature Conversion Functions |
| 67 | + function celsiusToFahrenheit(celsius) { |
| 68 | + return (celsius * 9/5) + 32; |
| 69 | + } |
| 70 | + |
| 71 | + function fahrenheitToCelsius(fahrenheit) { |
| 72 | + return (fahrenheit - 32) * 5/9; |
| 73 | + } |
| 74 | + |
| 75 | + function convertTemperature() { |
| 76 | + // Get input values |
| 77 | + const temperatureInput = document.getElementById('temperatureInput'); |
| 78 | + const fromUnitSelect = document.getElementById('fromUnit'); |
| 79 | + const toUnitSelect = document.getElementById('toUnit'); |
| 80 | + const resultDiv = document.getElementById('result'); |
| 81 | + |
| 82 | + // Validate input |
| 83 | + const temperature = parseFloat(temperatureInput.value); |
| 84 | + if (isNaN(temperature)) { |
| 85 | + resultDiv.textContent = 'Please enter a valid number'; |
| 86 | + resultDiv.style.color = 'red'; |
| 87 | + return; |
| 88 | + } |
| 89 | + |
| 90 | + const fromUnit = fromUnitSelect.value; |
| 91 | + const toUnit = toUnitSelect.value; |
| 92 | + |
| 93 | + // Perform conversion |
| 94 | + let convertedTemp, resultText; |
| 95 | + if (fromUnit === 'C' && toUnit === 'F') { |
| 96 | + convertedTemp = celsiusToFahrenheit(temperature); |
| 97 | + resultText = `${temperature}°C = ${convertedTemp.toFixed(2)}°F`; |
| 98 | + } else if (fromUnit === 'F' && toUnit === 'C') { |
| 99 | + convertedTemp = fahrenheitToCelsius(temperature); |
| 100 | + resultText = `${temperature}°F = ${convertedTemp.toFixed(2)}°C`; |
| 101 | + } else { |
| 102 | + // If units are the same, just display the input |
| 103 | + convertedTemp = temperature; |
| 104 | + resultText = `${temperature}°${fromUnit}`; |
| 105 | + } |
| 106 | + |
| 107 | + // Display result |
| 108 | + resultDiv.textContent = resultText; |
| 109 | + resultDiv.style.color = 'green'; |
| 110 | + } |
| 111 | + |
| 112 | + // Allow conversion on pressing Enter key |
| 113 | + document.getElementById('temperatureInput').addEventListener('keypress', function(event) { |
| 114 | + if (event.key === 'Enter') { |
| 115 | + convertTemperature(); |
| 116 | + } |
| 117 | + }); |
| 118 | + </script> |
| 119 | +</body> |
| 120 | +</html> |
0 commit comments