[barfoomoo]

Is there any charting library which supports fetching data from server as the chart is horizontally scrolled? I want to chart some historical data that spans over years.

[cesutherland]

My other project envision.js handles this nicely. You can check out one example here: http://humblesoftware.com/envision/demos/ajax

The library is still young, and that functionality you see there will mature a bit yet.

[dgabriel]

A quick look at the documentation seems to indicate you could build that in.