This event is a Microsoft extension to the W3C DOM.
As well as the above JScript syntax, there are two alternatives:
<ELEMENT ondataavailable="myEventHandler" ... >
Named Script (IE Only):
<SCRIPT FOR = object EVENT =
The ondataavailable event indicates that XML document data is available. This can be
useful when handling asynchronous data as it enables you to start processing as soon as
data becomes available, in parallel with downloading. The ondataavailable event fires
each time a new chunk of data arrives.
The handler for this event can be explicitly set with the