That can also limit your ability to access certain features of websites. Some programs and applications from the web, which use JavaScript as well, will also have trouble working.

Learn how to disable or enable Copy and Paste with Application Guard for Edge in Windows 11/10 using Settings or Registry Editor.

To enable JavaScript, go into the Settings app on your iPhone, click "Safari," then "Advanced," and swipe the JavaScript button to the right so it appears green. Here's a full breakdown with pictures.