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timer.js

@@ -0,0 +1,34 @@
+let timers = {};
+let intervals = {};
+
+function startTimer(timerId) {
+    if (intervals[timerId]) {
+        return; // Timer is already running
+    }
+
+    if (!timers[timerId]) {
+        timers[timerId] = 0;
+    }
+
+    intervals[timerId] = setInterval(() => {
+        timers[timerId]++;
+        document.getElementById(timerId).textContent = formatTime(timers[timerId]);
+    }, 1000);
+}
+
+function stopTimer(timerId) {
+    clearInterval(intervals[timerId]);
+    intervals[timerId] = null;
+}
+
+function resetTimer(timerId) {
+    stopTimer(timerId);
+    timers[timerId] = 0;
+    document.getElementById(timerId).textContent = "00:00";
+}
+
+function formatTime(seconds) {
+    const minutes = Math.floor(seconds / 60);
+    const remainingSeconds = seconds % 60;
+    return `${String(minutes).padStart(2, '0')}:${String(remainingSeconds).padStart(2, '0')}`;
+}