SteveSanderson/knockout — pull request #531 by arj03 (2012-06-17 17:17:53+00:00)
Title: Add pushArray function to observable array

Increase the discoverability of the apply push method to add multiple items. This way of adding items instead of multiple push is naturally much faster. I think we should help people make the smart choice. Work inspired by Ryans post here: http://www.knockmeout.net/2012/04/knockoutjs-performance-gotcha.html.