>Is it possible to mix javascript code and VFP code.
>
>For example, I want to execute a loop in javascript. Within that loop I want to add a record in a VFP table. So later I'll be able to know what operations were successfull and which operatione were unsuccessfull.

Create a VFP app that exposes functions in a COM-based DLL, and then call those functions from javascript.

In IE:

var obj = new ActiveXObject("myDll.testMethod");
var vResult = obj.TestMethod();
alert(vResult);

Some other references:
https://stackoverflow.com/questions/1550112/how-to-call-user32-dll-methods-from-javascript