Snap.ajax(…)

Simple implementation of Ajax

Parameters

1. urlstringURL
2. postDataobjectstringdata for post request
3. callbackfunctioncallback
4. scopeobjectscope of callback

or

Parameters

1. urlstringURL
2. callbackfunctioncallback
3. scopeobjectscope of callback

Returns: XMLHttpRequest the XMLHttpRequest object, just in case