Web Workers with angular 9 are a simple means for web content to run scripts in background threads.
The worker thread can perform tasks without interfering with the user interface.
-Create a worker by new Worker(scriptURL, options).
-Using postMessage as a way to send data to the worker or a way to return data from the worker and handled where onmessage is called.
-Using terminate when you want to stop web workers and free browser resources.
Check web browser support for web worker https://caniuse.com/#search=webworker
-app.component.ts -: contains the api call,web worker and template(html).
-service/serverapiService -: contains the service api.
-worker/app.worker -: contains the web worker which runs in the background.
This project was generated with Angular CLI version 9.1.0.
Run ng serve for a dev server. Navigate to http://localhost:4200/. The app will automatically reload if you change any of the source files.
Run ng generate component component-name to generate a new component. You can also use ng generate directive|pipe|service|class|guard|interface|enum|module.
Run ng build to build the project. The build artifacts will be stored in the dist/ directory. Use the --prod flag for a production build.
Run ng test to execute the unit tests via Karma.
Run ng e2e to execute the end-to-end tests via Protractor.
To get more help on the Angular CLI use ng help or go check out the Angular CLI README.