GS.Async

 mkdir rxjs-init cd rxjs-init npm init -y npm install rxjs webpack webpack-dev-server typescript ts-loader npm install webpack-cli --save-dev modify file: package.json {      "name" :  "rxjs-init" ,      "version" :  "1.0.0" ,      "description" :  "" ,      "main" :  "index.js" ,     "scripts": {         "start": "webpack-dev-server --mode development"     },      "keywords" : [],      "author" :  "" ,      "license" :  "ISC" ,      "dependencies" : {          "rxjs" :  "^6.6.3" ,          "ts-loader" :  "^8.0.12" ,          "typescript" :  "^4.1.3" , ...

https://coursetro.com/posts/code/147/How-to-Install-RxJS---Setting-up-a-Development-Environment

https://rxjs-dev.firebaseapp.com/guide/overview https://rxjs-dev.firebaseapp.com/api https://www.youtube.com/watch?v=gCwSVQO_PtY https://www.youtube.com/playlist?list=PLqKQF2ojwm3ksNegIZIz_AB0x6a9zqofx Lessons start https://github.com/vladilenm/rxjs-youtube-course Final https://github.com/vladilenm/rxjs-youtube-course/tree/final https://www.youtube.com/watch?v=i_bwptbaSRA&list=PLqKQF2ojwm3ksNegIZIz_AB0x6a9zqofx&index=1 https://www.youtube.com/watch?v=gCwSVQO_PtY&list=PLqKQF2ojwm3ksNegIZIz_AB0x6a9zqofx&index=2&t=2s https://www.youtube.com/watch?v=ib9y6uJr6PQ&list=PLqKQF2ojwm3ksNegIZIz_AB0x6a9zqofx&index=3 https://www.youtube.com/watch?v=QFpWHWD3FhQ&list=PLqKQF2ojwm3ksNegIZIz_AB0x6a9zqofx&index=4