Example of HTTP With map operator of observable
Step1 : Create Service ng g service myservice Step2 :Add Following Code in myservice.ts import { Injectable } from '@angular/core'; import { Http, HttpModule ,Response } from '@angular/http'; import 'rxjs/Rx'; @Injectable() export class MyserviceService {...
Example of http get
Getting Data From Server using http GET Method We use it to make ajax calls to the server. The Http class provides the get() method for getting a resource, post() for creating it, put() for updating it, delete() for deleting resource and head() for getting metadata...
simple example of angular 4 validations
To upgrade our form into an Angular form that can perform validation, we have to createFormControl andFormGroupobjects. A FormControl object represents a form control in a form. With it, we can track the value and validation status of an individual form control....
angular 4 data binding | example
Angular 4 Two Way Data Binding Two-way data binding uses the ngModel directive, which is included in FormsModule. Bidirectional data flow(1. From form control to component property. 2 From Component property to Form Control) Two-way data binding is represented by...