Routing Params Subscribe

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This line subscribes to a particular parameter. Every time a new parameter is received, the line will call the tap() method, passing the parameter's value as the parameter's ID.

Library: angular

Shortcut: a_route_params_subscribe

this.route.paramMap
  .pipe(map(params => params.get('id')), tap(id => (this.id = +id)))
  .subscribe(id => {});