Add JavaScript code and add buttons to set current date and time in local time and in UTC time

Author: lulunac27a

datetime-jsp/datetime.html

@@ -18,8 +18,11 @@
     <input type="number" name="minute" id="minute" min="0" max="59" required><br>
     <label for="second">Second:</label><br>
     <input type="number" name="second" id="second" min="0" max="59" required><br>
+    <button type="button" onclick="setCurrentDate()">Set Current Local Date and Time</button>
+    <button type="button" onclick="setCurrentUtcDate()">Set Current UTC Date and Time</button>
     <input type="submit" value="Submit">
 </form>
+<script src="datetime.js"></script>
 </body>
 
 </html>

datetime-jsp/datetime.js

@@ -0,0 +1,36 @@
+var year = document.querySelector("#year");
+var month = document.querySelector("#month");
+var day = document.querySelector("#day");
+var hour = document.querySelector("#hour");
+var minute = document.querySelector("#minute");
+var second = document.querySelector("#second");
+function setCurrentDate() {
+    var currentDate = new Date();
+    var currentYear = currentDate.getFullYear();
+    var currentMonth = currentDate.getMonth() + 1;
+    var currentDay = currentDate.getDate();
+    var currentHour = currentDate.getHours();
+    var currentMinute = currentDate.getMinutes();
+    var currentSecond = currentDate.getSeconds();
+    year.value = currentYear;
+    month.value = currentMonth;
+    day.value = currentDay;
+    hour.value = currentHour;
+    minute.value = currentMinute;
+    second.value = currentSecond;
+}
+function setCurrentUtcDate() {
+    var currentDate = new Date();
+    var currentUtcYear = currentDate.getUTCFullYear();
+    var currentUtcMonth = currentDate.getUTCMonth() + 1;
+    var currentUtcDay = currentDate.getUTCDate();
+    var currentUtcHour = currentDate.getUTCHours();
+    var currentUtcMinute = currentDate.getUTCMinutes();
+    var currentUtcSecond = currentDate.getUTCSeconds();
+    year.value = currentUtcYear;
+    month.value = currentUtcMonth;
+    day.value = currentUtcDay;
+    hour.value = currentUtcHour;
+    minute.value = currentUtcMinute;
+    second.value = currentUtcSecond;
+}