Changes

JavaScript in HTML pages is a very powerful thing. It allows you to do many wonderful things that are very useful for users and administrators alike. It is equally dangerous to have their due to the as there is potential misuefor misuse. For this reason a LOT of security is required around what can and can't be done.

JavaScript in a browser is BANNED from accessing files on your computer. This is security implemented by the browser to ensure that malicious JavaScript cannot do damage to your machine. However , if you run a JavaScript file locally, then you can access files. What's the difference?

 Depending on how the browser implements security , it will also determine how much access the file:// version can do. Internet Explorer as it closely integrates with the operating system , provides the most flexbility flexibility security wise, for local file access.