16.4 - 动画回调

Angular 提供了和动画相关的两个回调函数，分别为动画开始执行时和动画执行完成后

<li @slide (@slide.start)="start($event)" (@slide.done)="done($event)"></li>

import { AnimationEvent } from "@angular/animations"
start(event: AnimationEvent) {
    console.log(event)
}
done(event: AnimationEvent) {
    console.log(event)
}