1. // Function to handle mutations
2. const handleMutations = (mutationsList, observer) => {
3.   mutationsList.forEach((mutation) => {
4.     if (mutation.type === 'childList') {
5.       mutation.addedNodes.forEach((node) => {
6.         // Check if the added node is a video element
7.         if (node.tagName && node.tagName.toLowerCase() === 'video') {
8.           // Delete the video element
9.           node.remove();
10.         }
11.       });
12.     }
13.   });
14. };
15.  
16. // Select the target node
17. const targetNode = document.body;
18.  
19. // Options for the observer (including the types of mutations to observe)
20. const config = { childList: true, subtree: true };
21.  
22. // Create an observer instance linked to the callback function
23. const observer = new MutationObserver(handleMutations);
24.  
25. // Start observing the target node for configured mutations
26. observer.observe(targetNode, config);
27.  
28. // To disconnect the observer later (when you want to stop watching for mutations)
29. // observer.disconnect();