What kind of function is this in JavaScript?

Question

I saw this on a forum and I was wondering what it was. If I can get anybody's response it would be very appreciated.

var fso = new ActiveXObject ("Scripting.FileSystemObject");

Can you tell me what it does and what browsers support it. Thanks.

Answer 1

What it does is give access to your local filesystem on your PC. It is only supported by Internet Explorer.

Answer 2

It's a function which constructs a FileSystemObject in JScript (Microsoft's version implementation ^{citation from MSDN} of JavaScript). This sort of object provides access to a computer's file system.

ActiveX is only supported by Internet Explorer.