diff --git a/Video 75/index.html b/Video 75/index.html
index 3d7b5b31..f561af88 100644
--- a/Video 75/index.html	
+++ b/Video 75/index.html	
@@ -6,6 +6,40 @@
     <title>Document</title>
 </head>
 <body>
-    <script src="promise.js"></script>
+    <script>
+console.log("Harry is a hacker")
+console.log("Rohan is a hecker")
+
+
+setTimeout(() => {
+    console.log("I am inside settimeout")
+}, 0);
+
+setTimeout(() => {
+    console.log("I am inside settimeout 2")
+}, 0);
+
+console.log("The End")
+
+const fn = () => {
+  console.log("Nothing")
+}
+
+const callback = (arg, fn) => {
+    console.log(arg)
+    fn()
+}
+
+const loadScript = (src, callback) => {
+    let sc = document.createElement("script");
+    sc.src = src;
+    sc.onload = callback("Harry", fn);
+    document.head.append(sc)
+}
+
+
+loadScript("https://cdnjs.cloudflare.com/ajax/libs/prism/9000.0.1/prism.min.js", callback )
+        
+    </script>
 </body>
-</html>
\ No newline at end of file
+</html>
