an action is a constituent of a reducer, as well as of an effect. NgRx ensures that actions are first handled by the reducers, after which they will eventually be intercepted by the effects.
假如有这样一个需要:咱们须要加强 HTML 里原生的 input 标签,让其达到,随着用户输出字符时,其色彩主动切换的成果。这是一个典型的能够应用 Angular Directive 实现的需要。每个 Directive 都有一个 host 元素。Decorator that marks a DOM property as a host-binding property and supplies configuration metadata…