Note: This rate-limit API was added in Knockout 3.1.0. For previous versions, the throttle extender provides similar functionality. Normally, an observable that is changed notifies its subscribers immediately, so that any computed observables or bindings that depend on the observable are updated synchronously. The rateLimit extender, however, causes an observable to suppress and delay change notifications for a specified period of time. A rate-limited observable therefore updates dependencies a

Purpose The ifnot binding is exactly the same as the if binding, except that it inverts the result of whatever expression you pass to it. For more details, see documentation for the if binding. Note: “ifnot” is the same as a negated “if” The following markup: <div data-bind="ifnot: someProperty">...</div> … is equivalent to the following: <div data-bind="if: !someProperty()">...</div> … assuming that someProperty is observable and hence you need to invoke it as a funct