ng.getComponent
Retrieves the component instance associated with a given DOM element.
ng.getComponent<T>(element: Element): T | null
参数
element | Element | DOM element from which the component should be retrieved. |
返回值
T | null: Component instance associated with the element or null if there is no component associated with it.
使用说明
Given the following DOM structure:
<my-app>
<div>
<child-comp></child-comp>
</div>
</my-app>
Calling getComponent on <child-comp> will return the instance of ChildComponent associated with this DOM element.
Calling the function on <my-app> will return the MyApp instance.
