What's New In Angular 5? [Angular 4 vs. Angular 5]

Angular 5 is going to be a much better Angular and you will be able to take advantage of it much easier and Version 5 will be fully released on September/October 2017.

Stayed Informed – Angular 4 and Angular 2

The Angular 5 Contains bunch of new features, performance improvements and lot of bug fixes and also some surprises to Angular lovers.

1. Make AOT the default

2. Watch mode

3. Type checking in templates

4. More flexible metadata

5. Remove *.ngfactory.ts files

6. Better error messages

7. Smooth upgrades

8. Tree-Shakeable components

9. Hybrid Upgrade Application

10. And so on...

Angular 5 Performance Improvements - Angular 5

1. Use of addEventListener for the faster rendering and it is the core functionality.

2. Update to new version of build-optimizer.

3. Added some Improvements on the abstract class methods and interfaces

4. Remove decorator DSL which depends on Reflect for Improve the Performance of Apps and This is the core functionality.

5. Added an option to remove blank text nodes from compiled templates

6. Switch Angular to use Static-Injector instead of Reflective-Injector.

7. Improve the applications testing.

8. Improve the performance of hybrid applications

9. Improvements on Lazy loading for Angular

10. And so on...

Some Improvement on HttpClient – This is used for Applications communicate with backend services over the HTTP protocol!

1. Improvement on Type-checking the response

2. Improvement on Reading the full response

3. Improvement on Error handling and fetching error details

4. Improvement on Intercepting all requests or responses

5. Improvement on Logging

6. Improvement on Caching

7. Improvement on XSRF Protection

Added Features - Angular 5

1. Added Representation of Placeholders to xliff and xmb in the compiler

2. Added an Options Arg to Abstract Controls in the forms controls

3. Added add default updateOn values for groups and arrays to form controls

4. Added updateOn blur option to form controls

5. Added updateOn submit option to form controls

6. Added an Events Tracking Activation of Individual Routes

7. Added NgTemplateOutlet API as stable in the common controls

8. Create StaticInjector which does not depend on Reflect polyfill

9. Added [@.disabled] attribute to disable animation children in the animations

10. And so on..

Router Life Cycle Events – Angular 5

Added new router life cycle events for Guards and Resolvers -

1. GuardsCheckStart,

2. GuardsCheckEnd,

3. ResolveStart and

4. ResolveEnd

Angular 5 Bug Fixes - Angular 5

1. Fixed compilation error by using the correct type for providers

2. Skip PWA test when redeploying non-public commit

3. Don't strip CSS source maps. This is the compiler related fix

4. Remove tsickle (language-service) dependency

5. Support persisting dynamic styles within animation states

6. Ignore @import in multi-line css

7. Fix platform-browser-dynamic

8. Forbid destroyed views to be inserted or moved in VC

9. Support persisting dynamic styles within animation states

10. And so on...

References -

https://angular.io/guide/security

https://github.com/angular/angular/blob/master/CHANGELOG.md

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nullinjectorerror no provider for httpclient angular 17

In Angular 17 where the standalone true option is set by default, the app.config.ts file is generated in src/app/ and provideHttpClient(). We can be added to the list of providers in app.config.ts Step 1: To provide HttpClient in a standalone app we could do this in the app.config.ts file, app.config.ts: import { ApplicationConfig } from '@angular/core'; import { provideRouter } from '@angular/router'; import { routes } from './app.routes'; import { provideClientHydration } from '@angular/platform-browser'; //This (provideHttpClient) will help us to resolve the issue import {provideHttpClient} from '@angular/common/http'; export const appConfig: ApplicationConfig = { providers: [ provideRouter(routes), provideClientHydration(), provideHttpClient () ] }; The appConfig const is used in the main.ts file, see the code, main.ts : import { bootstrapApplication } from '@angular/platform-browser'; import { appConfig } from ...

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To convert JSON Object to String - To convert JSON Object to String in JavaScript using “JSON.stringify()”. Example – let myObject =[ 'A' , 'B' , 'C' , 'D' ] JSON . stringify ( myObject ); ü Stayed Informed – Object Oriented JavaScript Interview Questions I hope you are enjoying with this post! Please share with you friends!! Thank you!!!

List of Countries, Nationalities and their Code In Excel File

Download JSON file for this List - Click on JSON file Countries List, Nationalities and Code Excel ID Country Country Code Nationality Person 1 UNITED KINGDOM GB British a Briton 2 ARGENTINA AR Argentinian an Argentinian 3 AUSTRALIA AU Australian an Australian 4 BAHAMAS BS Bahamian a Bahamian 5 BELGIUM BE Belgian a Belgian 6 BRAZIL BR Brazilian a Brazilian 7 CANADA CA Canadian a Canadian 8 CHINA CN Chinese a Chinese 9 COLOMBIA CO Colombian a Colombian 10 CUBA CU Cuban a Cuban 11 DOMINICAN REPUBLIC DO Dominican a Dominican 12 ECUADOR EC Ecuadorean an Ecuadorean 13 EL SALVA...

Encryption and Decryption Data/Password in Angular

You can use crypto.js to encrypt data. We have used 'crypto-js'. Follow the below steps, Steps 1 – Install CryptoJS using below NPM commands in your project directory npm install crypto-js --save npm install @types/crypto-js –save After installing both above commands it looks like – NPM Command 1 -> npm install crypto-js --save NPM Command 2 -> npm install @types/crypto-js --save Steps 2 - Add the script path in “ angular.json ” file. "scripts" : [ "../node_modules/crypto-js/crypto-js.js" ] Steps 3 – Create a service class “ EncrDecrService ” for encrypts and decrypts get/set methods . Import “ CryptoJS ” in the service for using encrypt and decrypt get/set methods . import { Injectable } from ...

Angular Testing Questions and Answers | 9, 8, 7, 6

What Is Testing? The testing is a tools and techniques for a unit and integration testing Angular applications . Why Test? Tests are the best ways to prevent software bugs and defects. How to Setup Test in Angular Project? Angular CLI install everything you need to test an Angular application. This CLI command takes care of Jasmine and karma configuration for you. Run this CLI command- ng test The test file extension must be “.spec.ts” so that tooling can identify the test file. You can also unit test your app using other testing libraries and test runners. Types of Test – The all great developer knows his/her testing tools use. Understanding your tools for testing is essential before diving into writing tests. The Testing depends on your project requirements and the project cost. The types of Testing looks like - 1. Unit Test 2. Integration Test 3. En...

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