Add 10 unique JavaScript questions in README

Author: vardhan30016

README.md

@@ -9565,10 +9565,10 @@ function animate() {
   requestAnimationFrame(animate);
 }
 requestAnimationFrame(animate);
-
-  ```
-
+ ```
   **[⬆ Back to Top](#table-of-contents)**
+  
+   
 
 
 <!-- QUESTIONS_END -->