update new Datatable

public/js/stopuhr.js

@@ -0,0 +1,78 @@
+let startBtn = document.getElementById('start'); 
+let stopBtn = document.getElementById('stop'); 
+let resetBtn = document.getElementById('reset'); 
+
+let hour = 0; 
+let minute = 0; 
+let second = 0; 
+let count = 0; 
+
+startBtn.addEventListener('click', function () { 
+	timer = true; 
+	stopWatch(); 
+}); 
+
+stopBtn.addEventListener('click', function () { 
+	timer = false; 
+}); 
+
+resetBtn.addEventListener('click', function () { 
+	timer = false; 
+	hour = 0; 
+	minute = 0; 
+	second = 0; 
+	count = 0; 
+	document.getElementById('hr').innerHTML = "00"; 
+	document.getElementById('min').innerHTML = "00"; 
+	document.getElementById('sec').innerHTML = "00"; 
+	document.getElementById('count').innerHTML = "00"; 
+}); 
+
+function stopWatch() { 
+	if (timer) { 
+		count++; 
+
+		if (count == 100) { 
+			second++; 
+			count = 0; 
+		} 
+
+		if (second == 60) { 
+			minute++; 
+			second = 0; 
+		} 
+
+		if (minute == 60) { 
+			hour++; 
+			minute = 0; 
+			second = 0; 
+		} 
+
+		let hrString = hour; 
+		let minString = minute; 
+		let secString = second; 
+		let countString = count; 
+
+		if (hour < 10) { 
+			hrString = "0" + hrString; 
+		} 
+
+		if (minute < 10) { 
+			minString = "0" + minString; 
+		} 
+
+		if (second < 10) { 
+			secString = "0" + secString; 
+		} 
+
+		if (count < 10) { 
+			countString = "0" + countString; 
+		} 
+
+		document.getElementById('hr').innerHTML = hrString; 
+		document.getElementById('min').innerHTML = minString; 
+		document.getElementById('sec').innerHTML = secString; 
+		document.getElementById('count').innerHTML = countString; 
+		setTimeout(stopWatch, 10); 
+	} 
+}