db.json explain line by line
get employees (): Observable <any> { // Method to fetch all employees data from the server get employees (id: number): Observable <any> { // Method to fetch a specific employee's data using their id add employees (employee: any): Observable <any> { // Method to add a new employee delete employees (id: number): Observable <any> { // Method to delete an employee by their id return this . http . get (this.apiurl); // Sends a GET request to the server (this.apiUrl) to fetch employee data return this . http . get ( ` ${ this .apiUrl} / ${id} ` ) ; // Sends a GET request to retrieve data for a specific employee by their id return this . http . Post ( this.apiurl, employee); // Sends a POST request to add a new employee to the server // The 'employee' object is sent in the body of the request return this...