This new helper directive introduces a new vector of control over model access and updating to the developer. Formerly, using
ng-model bound to an input meant that validation or any verification of value change needed to happen in a controller helper method or in a scope watcher, neither of which ever felt very clean. With
ngModelOptions, you are now able to make decisions about how and when the model will get updated.
ngModelOptions directive will most directly benefit you while developing an AngularJS form, since it implicitly provides namespaces to the inputs within the form that are used by some of this directive's features. Suppose that for all the examples in this recipe, you begin, ...