In knockoutjs, bindings (and the ability to create custom bindings) are akin to widgets in they define exactly how view model state maps to and from the dom. I'

In knockoutjs, bindings (and the ability to create custom bindings) are akin to widgets in they define exactly how view model state maps to and from the dom. I've created a number of custom bindings to bind things like a number range to a jQueryUI slider widget.