title: what is parent stand in selector in angular 2
body: <p>import { Component, Input } from "@angular/core";</p>
  
  <p>import "./loadingSpinner.component.css!";</p>
  
  <pre><code>@Component({
      selector: "loading-spinner-Parent",
      template: `
          &lt;div *ngIf="showSpinner" class="loader-directive-wrapper"&gt;
              &lt;div class="loader"&gt;&lt;/div&gt;
          &lt;/div&gt;`
  })
  export class LoadingSpinnerComponent {
      @Input() public showSpinner: boolean = false;
  } 
  </code></pre>