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>Users No users.

7. AS keyword – A new addition to the template syntax is the “as keyword” is use to simplify to the “let” syntax. Use of as keyword, {{i+1}}/{{total.length}}: {{user.name}}

To subscribe only once to a pipe “|” with “async” and If a user is an observable, you can now use to write, {{ usersModel.name }} {{ usersModel.age }}

8. Pipes - Angular 4 introduced a new “titlecase” pipe “|” and use to changes the first letter of each word into the uppercase. The example as, {{ 'anil singh' | titlecase }}

9. Http - Adding search parameters to an “HTTP request” has been simplified as, //Angular 4 http.get(`${baseUrl}/api/users`, { params: { sort: 'ascending' } }); //Angular 2const params = new URLSearchParams(); params.append('sort', 'ascending'); http.get(`${baseUrl}/api/users`, { search: params });

10. Test- Angular 4, overriding a template in a test has also been simplified as, //Angular 4 TestBed.overrideTemplate(UsersComponent, '{{users.name}}'); //Angular 2 TestBed.overrideComponent(UsersComponent, { set: { template: '{{users.name}}' } });

11. Service- A new service has been introduced to easily get or update “Meta Tags” i.e. @Component({ selector: 'users-app', template: `Users` }) export class UsersAppComponent { constructor(meta: Meta) { meta.addTag({ name: 'Blogger', content: 'Anil Singh' }); } }

12. Forms Validators - One new validator joins the existing “required”, “minLength”, “maxLength” and “pattern”. An email helps you validate that the input is a valid email. 13. Compare Select Options - A new “compareWith” directive has been added and it used to help you compare options from a select. {{user.name}}

14. Router - A new interface “paramMap” and “queryParamMap” has been added and it introduced to represent the parameters of a URL.

const uid = this.route.snapshot.paramMap.get('UId'); this.userService.get(uid).subscribe(user => this.name = name);

15. CanDeactivate - This “CanDeactivate” interface now has an extra (optional) parameter and it is containing the next state. 16. I18n - The internationalization is tiny improvement. //Angular 4 there is nothing there is one //Angular 2 there is nothing there is one

Stayed Informed – Angular 2 vs. React.Js Stayed Informed – Best Angular 2 Interview Q/A I hope you are enjoying with this post! Please share with you friends. Thank you so much!

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