title: How can I know when Angular App is fully rendered and DOM elements are generated?
body: <p>I am working on an Angular application, and an external library needs to match the DOM elements generated by Angular to inject some ads.</p>
  
  <p>Is there any way I can know when Angular finishes the rendering and write to DOM? I tried <code>AfterViewInit</code> and <code>AfterViewCheck</code>, but it seems not for that purpose.</p>