The Add() method adds folders to the collection. This can be used to create new folders on the file system.
<html>
<body>
<script language="JScript">
<!--
var myFileSysObj = new ActiveXObject("Scripting.FileSystemObject");
var myFolder = myFileSysObj.GetFolder("\\temp");
var myFolderCollection = myFolder.SubFolders;
myFolderCollection.Add("test");
// End hide-->
</script>
</html>