In a scenario where dynamic content needs to be shown or hidden based on user input, which AngularJS directive would be most suitable?

In this scenario, the most suitable AngularJS directive is ng-if. The ng-if directive conditionally renders or removes the associated HTML element based on the truthiness of the provided expression. It is ideal for situations where you want to dynamically show or hide content based on user input, ensuring efficient DOM manipulation. Understanding the use of ng-if is essential for creating responsive and dynamic user interfaces in AngularJS applications.