Angular 4 - quick view
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The document discusses Angular 4, including the reasons for skipping version 3 and details about breaking changes associated with the new version, particularly changes in lifecycle hooks requiring interface implementation. It mentions support for TypeScript 2.1 and highlights a new feature using the ng-template directive. Additional resources for breaking changes and features are provided through GitHub links.
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Angular 4 - quick view
- 2. What makes Shai angry?
- 3. Great, he is happy
- 4. So, angular 4 you say…
- 5. Angular versioning Semantic versioning X . Y . Z BUG FIXNEW FEATUREBREAKING CHANGE
- 6. So where is angular 3…? @angular/router changed to version 3 All the rest remain with 2 Angular decided to skip version 3, straight to 4
- 7. What are the breaking changes Core: Because all lifecycle hooks are now interfaces the code that uses 'extends' keyword will no longer compile: Before:@Component() class SomeComponent extends OnInit {} After:@Component() class SomeComponent implements OnInit {}
- 8. What are the breaking changes There is a long list of breaking changes: https://github.com/angular/angular/blob/master/CHANGELOG.md#bre aking-changes Will support typescript 2.1 with out backward compatibility
- 9. Cool new feature <ng-template #notPaid> <b>Payment UI</b> </ng-template> <div *ngIf=“didUserPaid; else notPaid”> <b>Welcome</b> </div>
- 10. Thank you! [email protected] @hab_mic https://github.com/angular/angular/blob/master/CHANGELOG.md#breaki ng-changes https://github.com/angular/angular/blob/master/CHANGELOG.md#feature s