Call onreadystatechange every time a chunk of data is received.
Call onreadystatechange every time a chunk of data is received.

HTTP Streaming clients (such as SockJS xhr-streaming transport) depend
on onreadystatechange handler being invoked in readyState=3 (LOADING)
whenever a new chunk of data is available.

ykzts/node-xmlhttprequest,ykzts/node-xmlhttprequest,ykzts/node-xmlhttprequest