Answers for "how to refresh particular part in angular"

How to Reload a Component in Angular

reloadComponent() {
  let currentUrl = this.router.url;
      this.router.routeReuseStrategy.shouldReuseRoute = () => false;
      this.router.onSameUrlNavigation = 'reload';
      this.router.navigate([currentUrl]);
  }

reload page angular one time

ngOnInit() {
  if (!localStorage.getItem('foo')) { 
    localStorage.setItem('foo', 'no reload') 
    location.reload() 
  } else {
    localStorage.removeItem('foo') 
  }
}