Update index.html
Browse files- index.html +94 -17
index.html
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<!DOCTYPE html>
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<html>
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</html>
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<!DOCTYPE html>
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<html lang="en">
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<center>
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Time Calculator</title>
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<style>
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body {
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font-family: Arial, sans-serif;
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}
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input, button {
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padding: 5px;
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}
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.new-time {
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font-size: 24px;
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background-color: yellow;
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padding: 10px;
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display: inline-block;
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margin-top: 10px;
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}
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.title {
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background-color: lightgreen;
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display: inline-block;
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padding: 5px;
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}
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</style>
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</head>
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<body>
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<h1 class="title">Time Calculator</h1>
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<p>Enter the initial time and the number of minutes to add:</p>
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<label for="time">Time:</label>
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<input type="time" id="time" value="03:45">
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<label for="am_pm">AM/PM:</label>
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<select id="am_pm">
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<option value="am">AM</option>
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<option value="pm">PM</option>
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</select>
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<br>
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<label for="minutes">Minutes to add:</label>
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<input type="number" id="minutes" value="20">
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<br>
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<button onclick="calculateNewTime()">Calculate New Time</button>
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<p id="result"></p>
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<script>
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function calculateNewTime() {
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const timeInput = document.getElementById("time").value;
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const amPm = document.getElementById("am_pm").value;
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const minutesToAdd = parseInt(document.getElementById("minutes").value);
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let [hours, minutes] = timeInput.split(":").map(Number);
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// Convert to 24-hour format
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if (amPm === "pm" && hours !== 12) {
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hours += 12;
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} else if (amPm === "am" && hours === 12) {
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hours = 0;
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}
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// Add the minutes
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minutes += minutesToAdd;
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// Handle minute overflow
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if (minutes >= 60) {
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hours += Math.floor(minutes / 60);
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minutes = minutes % 60;
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}
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// Handle hour overflow
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if (hours >= 24) {
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hours = hours % 24;
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}
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// Convert back to 12-hour format
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let newAmPm = "AM";
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if (hours >= 12) {
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newAmPm = "PM";
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if (hours > 12) {
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hours -= 12;
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}
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} else if (hours === 0) {
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hours = 12;
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}
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const newTime = `${hours.toString().padStart(2, "0")}:${minutes.toString().padStart(2, "0")} ${newAmPm}`;
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document.getElementById("result").innerHTML = `<span class="new-time">New Time: ${newTime}</span>`;
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}
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</script>
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</body>
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</center>
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</html>
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