timer/timer.html at main · deividsrocha/timer · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Timer</title>
  <style>
    body {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      display: flex;
      align-items: center;
      justify-content: center;
      height: 100vh;
      margin: 0;
      background-color: #2c3e50;
      color: #ecf0f1;
    }

    #timer {
      text-align: center;
    }

    button {
      background-color: #e74c3c;
      color: #fff;
      padding: 15px 30px;
      font-size: 16px;
      border: none;
      border-radius: 10px;
      margin: 5px;
      cursor: pointer;
      transition: background-color 0.3s;
    }

    button:hover {
      background-color: #c0392b;
    }

    #display {
      font-size: 2em;
      margin: 10px 0;
    }

    #log {
      margin-left: 20px;
      border-left: 1px solid #ccc;
      padding-left: 20px;
    }

    #log h3 {
      color: #3498db;
    }

    #logList {
      list-style-type: none;
      padding: 0;
      margin: 0;
    }

    #logList li {
      margin-bottom: 5px;
    }
  </style>
</head>
<body>

  <div id="timer">
    <button onclick="startTimer()">Start</button>
    <button onclick="pauseTimer()">Pause</button>
    <button onclick="stopTimer()">Stop</button>
    <p id="display">00:00:00</p>
  </div>

  <div id="log">
    <h3>Log do Dia</h3>
    <ul id="logList"></ul>
  </div>

  <script>
    let timer;
    let isTimerRunning = false;
    let seconds = 0;

    function startTimer() {
      if (!isTimerRunning) {
        timer = setInterval(updateTimer, 1000);
        isTimerRunning = true;
      }
    }

    function updateTimer() {
      seconds++;
      displayTime();
    }

    function displayTime() {
      const hours = Math.floor(seconds / 3600);
      const minutes = Math.floor((seconds % 3600) / 60);
      const remainingSeconds = seconds % 60;

      const formattedTime = `${String(hours).padStart(2, '0')}:${String(minutes).padStart(2, '0')}:${String(remainingSeconds).padStart(2, '0')}`;

      document.getElementById('display').innerText = formattedTime;
    }

    function pauseTimer() {
      clearInterval(timer);
      isTimerRunning = false;
    }

    function stopTimer() {
      pauseTimer();

      const logList = document.getElementById('logList');
      const logItem = document.createElement('li');
      const formattedDate = new Date().toLocaleString('pt-BR', { hour: 'numeric', minute: 'numeric', hour12: true, day: 'numeric', month: 'numeric', year: 'numeric' });

      logItem.innerText = `Contagem: ${document.getElementById('display').innerText}, Data: ${formattedDate}`;
      logList.appendChild(logItem);

      seconds = 0;
      displayTime();
    }
  </script>

</body>
</html>