Add setInterval and styles

Source-Code/AnalogWatch/script.js

@@ -0,0 +1,18 @@
+document.addEventListener('DOMContentLoaded', () => {
+  const hr = document.querySelector('#hr');
+  const mn = document.querySelector('#mn');
+  const sc = document.querySelector('#sc');
+
+  const deg = 6;
+
+  setInterval(() => {
+    const day = new Date();
+    const h = day.getHours() * 30;
+    const m = day.getMinutes() * deg;
+    const s = day.getSeconds() * deg;
+
+    hr.style.transform = `rotate(${h + m / 12}deg)`;
+    mn.style.transform = `rotate(${m}deg)`;
+    sc.style.transform = `rotate(${s}deg)`;
+  });
+});